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py-graph-tool: does not configure



Module Name:	pkgsrc-wip
Committed By:	Thomas Klausner <wiz%gatalith.at@localhost>
Pushed By:	wiz
Date:		Sat Sep 24 09:07:53 2022 +0200
Changeset:	ac54f0067e25786bafa1120b8336d62d2ab97dff

Added Files:
	py-graph-tool/TODO
Removed Files:
	py-graph-tool/log

Log Message:
py-graph-tool: does not configure

checking whether CGAL is available in /usr... no
checking whether CGAL is available in /usr/local... no
checking whether CGAL is available in /opt... no
checking whether CGAL is available in /opt/local... no
configure: error: CGAL library not found.
*** Error code 1

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=ac54f0067e25786bafa1120b8336d62d2ab97dff

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 py-graph-tool/TODO |    7 +
 py-graph-tool/log  | 3228 ----------------------------------------------------
 2 files changed, 7 insertions(+), 3228 deletions(-)

diffs:
diff --git a/py-graph-tool/TODO b/py-graph-tool/TODO
new file mode 100644
index 0000000000..8e7abdf824
--- /dev/null
+++ b/py-graph-tool/TODO
@@ -0,0 +1,7 @@
+checking whether CGAL is available in /usr... no
+checking whether CGAL is available in /usr/local... no
+checking whether CGAL is available in /opt... no
+checking whether CGAL is available in /opt/local... no
+configure: error: CGAL library not found.
+*** Error code 1
+
diff --git a/py-graph-tool/log b/py-graph-tool/log
deleted file mode 100644
index be58fcf60e..0000000000
--- a/py-graph-tool/log
+++ /dev/null
@@ -1,3228 +0,0 @@
-=> Bootstrap dependency digest>=20010302: found digest-20180917
-===> Checking for vulnerabilities in py27-graph-tool-2.27
-===> Installing dependencies for py27-graph-tool-2.27
-==========================================================================
-The following variables will affect the build process of this package,
-py27-graph-tool-2.27.  Their current value is shown below:
-
-        * JPEG_DEFAULT = jpeg
-        * PYTHON_VERSION_DEFAULT = 27
-        * SSLBASE = /usr/pkg
-        * SSLCERTS = /usr/pkg/etc/openssl/certs
-        * SSLDIR = /usr/pkg/etc/openssl
-        * SSLKEYS = /usr/pkg/etc/openssl/private
-
-Based on these variables, the following variables have been set:
-
-        * JPEGBASE = /usr/pkg
-        * JPEG_TYPE = jpeg
-        * PYPACKAGE = python27
-
-You may want to abort the process now with CTRL-C and change their value
-before continuing.  Be sure to run `/usr/pkg/bin/bmake.bin clean' after
-the changes.
-==========================================================================
-=> Tool dependency pkgconf-[0-9]*: found pkgconf-1.4.1nb1
-=> Tool dependency checkperms>=1.1: found checkperms-1.12
-=> Build dependency boost-headers-1.68.*: found boost-headers-1.68.0
-=> Build dependency xorgproto>=2016.1: found xorgproto-2018.4
-=> Build dependency xcb-proto>=1.4: found xcb-proto-1.13
-=> Build dependency gcc6>=6.1: found gcc6-6.4.0nb4
-=> Build dependency cwrappers>=20150314: found cwrappers-20180325
-=> Full dependency boost-libs-1.68.*: found boost-libs-1.68.0
-=> Full dependency boost-libs>=1.68.0: found boost-libs-1.68.0
-=> Full dependency expat>=2.0.0nb1: found expat-2.2.6
-=> Full dependency cgal>=4.11: found cgal-4.13
-=> Full dependency py27-numpy>=1.0: found py27-numpy-1.15.2
-=> Full dependency py27-boost-1.68.*: found py27-boost-1.68.0
-=> Full dependency sparsehash>=2.0.2: found sparsehash-2.0.3
-=> Full dependency libsigc++>=2.0.17nb1: found libsigc++-2.10.0nb1
-=> Full dependency cairomm>=1.12.2nb1: found cairomm-1.12.2nb2
-=> Full dependency py27-cairo>=1.16.3nb1: found py27-cairo-1.17.1
-===> Building for py27-graph-tool-2.27
-/usr/pkg/bin/bmake.bin  all-recursive
-Making all in src
-Making all in graph
-Making all in centrality
-Making all in clustering
-Making all in correlations
-Making all in draw
-Making all in flow
-Making all in generation
-depbase=`echo graph_triangulation.lo | sed 's|[^/]*$|.deps/&|;s|\.lo$||'`; /bin/sh ../../../libtool  --tag=CXX    --mode=compile c++ -DHAVE_CONFIG_H  -I. -I../../..  -I../../../src/boost-workaround -DHAVE_CONFIG_H -I../../../src/graph -I../../.. -I/usr/pkg/include/python2.7 -pthread  -I/usr/pkg -I/usr/pkg/include -I/usr/include -DNDEBUG -I/usr/pkg/include -I/usr/include -I/usr/pkg/qt4/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/libdrm  -fopenmp -O3 -fvisibility=default -fvisibility-inlines-hidden -Wno-deprecated -Wall -Wextra -ftemplate-backtrace-limit=0 -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/pkg/include -I/usr/include -I/usr/pkg/qt4/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/libdrm -I/usr/pkg/lib/python2.7/site-packages/numpy/core/include -Wno-unknown-pragmas -Wno-maybe-uninitialized -fopenmp -O3 -fvisibility=default -fvisibility-inlines-hidden -Wno-deprecated -Wall -Wextra -ftemplate-backtrace-limit=0 -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/pkg/in
clude -I/usr/include -I/usr/pkg/qt4/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/libdrm -I/usr/pkg/lib/python2.7/site-packages/numpy/core/include -Wno-unknown-pragmas -Wno-maybe-uninitialized -MT graph_triangulation.lo -MD -MP -MF $depbase.Tpo -c -o graph_triangulation.lo graph_triangulation.cc && mv -f $depbase.Tpo $depbase.Plo
-libtool: compile:  c++ -DHAVE_CONFIG_H -I. -I../../.. -I../../../src/boost-workaround -DHAVE_CONFIG_H -I../../../src/graph -I../../.. -I/usr/pkg/include/python2.7 -pthread -I/usr/pkg -I/usr/pkg/include -I/usr/include -DNDEBUG -I/usr/pkg/include -I/usr/include -I/usr/pkg/qt4/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/libdrm -fopenmp -O3 -fvisibility=default -fvisibility-inlines-hidden -Wno-deprecated -Wall -Wextra -ftemplate-backtrace-limit=0 -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/pkg/include -I/usr/include -I/usr/pkg/qt4/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/libdrm -I/usr/pkg/lib/python2.7/site-packages/numpy/core/include -Wno-unknown-pragmas -Wno-maybe-uninitialized -fopenmp -O3 -fvisibility=default -fvisibility-inlines-hidden -Wno-deprecated -Wall -Wextra -ftemplate-backtrace-limit=0 -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/pkg/include -I/usr/include -I/usr/pkg/qt4/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/libdrm -I/usr/pkg/lib/
python2.7/site-packages/numpy/core/include -Wno-unknown-pragmas -Wno-maybe-uninitialized -MT graph_triangulation.lo -MD -MP -MF .deps/graph_triangulation.Tpo -c graph_triangulation.cc  -fPIC -DPIC -o .libs/graph_triangulation.o
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h: In instantiation of 'constexpr bool std::equal_to<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >]':
-/usr/pkg/gcc6/include/c++/bits/hashtable_policy.h:1320:46:   required from 'static bool std::__detail::_Equal_helper<_Key, _Value, _ExtractKey, _Equal, _HashCodeType, true>::_S_equals(const _Equal&, const _ExtractKey&, const _Key&, _HashCodeType, std::__detail::_Hash_node<_Value, true>*) [with _Key = CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >; _Value = std::pair<const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Tr
iangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >, long unsigned int>; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > > >; _HashCodeType = long unsigned int]'
-/usr/pkg/gcc6/include/c++/bits/hashtable_policy.h:1701:37:   required from 'bool std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _H1, _H2, _Hash, _Traits>::_M_equals(const _Key&, std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _H1, _H2, _Hash, _Traits>::__hash_code, std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _H1, _H2, _Hash, _Traits>::__node_type*) const [with _Key = CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >; _Value = std::pair<const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_b
ase_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >, long unsigned int>; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > > >; _H1 = graph_tool::hash_point; _H2 = std::__detail::_Mod_range_hashing; _Hash = std::__detail::_Default_ranged_hash; _Traits = std::__detail::_Hashtable_traits<true, false, true>; std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _H1, _H2, _Hash, _Traits>::__hash_code = lon
 g unsigned int; std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _H1, _H2, _Hash, _Traits>::__node_type = std::__detail::_Hash_node<std::pair<const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >, long unsigned int>, true>]'
-/usr/pkg/gcc6/include/c++/bits/hashtable.h:1420:4:   required from 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::__node_base* std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::_M_find_before_node(std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::size_type, const key_type&, std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::__hash_code) const [with _Key = CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >; _Value = std::pair<const CGAL::Triangu
lation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >, long unsigned int>; _Alloc = std::allocator<std::pair<const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >, long unsigned int> >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Tri
 angulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > > >; _H1 = graph_tool::hash_point; _H2 = std::__detail::_Mod_range_hashing; _Hash = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, false, true>; std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::__node_base = std::__detail::_Hash_node_base; std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::size_type = long unsigned int; std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::key_type = CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_ba
 se_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >; std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::__hash_code = long unsigned int]'
-/usr/pkg/gcc6/include/c++/bits/hashtable.h:634:47:   required from 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::__node_type* std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::_M_find_node(std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::size_type, const key_type&, std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::__hash_code) const [with _Key = CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >; _Value = std::pair<const CGAL::Triangulation_
vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >, long unsigned int>; _Alloc = std::allocator<std::pair<const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >, long unsigned int> >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulat
 ion_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > > >; _H1 = graph_tool::hash_point; _H2 = std::__detail::_Mod_range_hashing; _Hash = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, false, true>; std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::__node_type = std::__detail::_Hash_node<std::pair<const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::T
 riangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >, long unsigned int>, true>; typename _Traits::__hash_cached = std::integral_constant<bool, true>; std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::size_type = long unsigned int; std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::key_type = CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >; std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits>::__hash_code = long unsigned int]'
-/usr/pkg/gcc6/include/c++/bits/hashtable_policy.h:591:60:   required from 'std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::mapped_type& std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::operator[](const key_type&) [with _Key = CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >; _Pair = std::pair<const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_v
ertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >, long unsigned int>; _Alloc = std::allocator<std::pair<const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >, long unsigned int> >; _Equal = std::equal_to<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, 
 CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > > >; _H1 = graph_tool::hash_point; _H2 = std::__detail::_Mod_range_hashing; _Hash = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, false, true>; std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::mapped_type = long unsigned int; std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::key_type = CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >]'
-/usr/pkg/gcc6/include/c++/bits/unordered_map.h:904:20:   required from 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type& std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](const key_type&) [with _Key = CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >; _Tp = long unsigned int; _Hash = graph_tool::hash_point; _Pred = std::equal_to<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell
_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > > >; _Alloc = std::allocator<std::pair<const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >, long unsigned int> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type = long unsigned int; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type = CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL
 ::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >]'
-graph_triangulation.hh:117:23:   required from 'void graph_tool::get_triangulation<Triang, IsPeriodic>::operator()(Graph&, Points&, PosMap) const [with Graph = boost::undirected_adaptor<boost::adj_list<long unsigned int> >; Points = boost::multi_array_ref<double, 2ul>; PosMap = boost::checked_vector_property_map<std::vector<double>, boost::typed_identity_property_map<long unsigned int> >; Triang = CGAL::Delaunay_triangulation_3<CGAL::Epick>; IsPeriodic = std::integral_constant<bool, false>]'
-graph_triangulation.cc:97:42:   required from here
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: error: no match for 'operator==' (operand types are 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' and 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >')
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/stack:61:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_3.h:41,
-                 from graph_triangulation.cc:38:
-/usr/pkg/gcc6/include/c++/bits/stl_stack.h:275:5: note: candidate: template<class _Tp, class _Seq> bool std::operator==(const std::stack<_Tp, _Seq>&, const std::stack<_Tp, _Seq>&)
-     operator==(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y)
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_stack.h:275:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::stack<_Tp, _Seq>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/unordered_map:48:0,
-                 from ../../../src/graph/hash_map_wrap.hh:23,
-                 from ../../../src/graph/graph_properties.hh:47,
-                 from ../../../src/graph/graph.hh:35,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/unordered_map.h:1780:5: note: candidate: template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> bool std::operator==(const std::unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>&, const std::unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>&)
-     operator==(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/unordered_map.h:1780:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/unordered_map:48:0,
-                 from ../../../src/graph/hash_map_wrap.hh:23,
-                 from ../../../src/graph/graph_properties.hh:47,
-                 from ../../../src/graph/graph.hh:35,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/unordered_map.h:1768:5: note: candidate: template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> bool std::operator==(const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&, const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&)
-     operator==(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/unordered_map.h:1768:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/unordered_set:48:0,
-                 from ../../../src/graph/hash_map_wrap.hh:22,
-                 from ../../../src/graph/graph_properties.hh:47,
-                 from ../../../src/graph/graph.hh:35,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/unordered_set.h:1423:5: note: candidate: template<class _Value, class _Hash, class _Pred, class _Alloc> bool std::operator==(const std::unordered_multiset<_Value, _Hash, _Pred, _Alloc>&, const std::unordered_multiset<_Value, _Hash, _Pred, _Alloc>&)
-     operator==(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/unordered_set.h:1423:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::unordered_multiset<_Value, _Hash, _Pred, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/unordered_set:48:0,
-                 from ../../../src/graph/hash_map_wrap.hh:22,
-                 from ../../../src/graph/graph_properties.hh:47,
-                 from ../../../src/graph/graph.hh:35,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/unordered_set.h:1411:5: note: candidate: template<class _Value, class _Hash, class _Pred, class _Alloc> bool std::operator==(const std::unordered_set<_Value, _Hash, _Pred, _Alloc>&, const std::unordered_set<_Value, _Hash, _Pred, _Alloc>&)
-     operator==(const unordered_set<_Value, _Hash, _Pred, _Alloc>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/unordered_set.h:1411:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::unordered_set<_Value, _Hash, _Pred, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/random:51:0,
-                 from ../../../src/graph/graph_properties.hh:25,
-                 from ../../../src/graph/graph.hh:35,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/random.tcc:1878:5: note: candidate: template<class _RealType1> bool std::operator==(const std::normal_distribution<_RealType>&, const std::normal_distribution<_RealType>&)
-     operator==(const std::normal_distribution<_RealType>& __d1,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/random.tcc:1878:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::normal_distribution<_RealType>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:98:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/complex:468:5: note: candidate: template<class _Tp> constexpr bool std::operator==(const _Tp&, const std::complex<_Tp>&)
-     operator==(const _Tp& __x, const complex<_Tp>& __y)
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/complex:468:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::complex<_Tp>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:98:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/complex:463:5: note: candidate: template<class _Tp> constexpr bool std::operator==(const std::complex<_Tp>&, const _Tp&)
-     operator==(const complex<_Tp>& __x, const _Tp& __y)
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/complex:463:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::complex<_Tp>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:98:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/complex:458:5: note: candidate: template<class _Tp> constexpr bool std::operator==(const std::complex<_Tp>&, const std::complex<_Tp>&)
-     operator==(const complex<_Tp>& __x, const complex<_Tp>& __y)
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/complex:458:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::complex<_Tp>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/set:62:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:95,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_multiset.h:823:5: note: candidate: template<class _Key, class _Compare, class _Alloc> bool std::operator==(const std::multiset<_Key, _Compare, _Alloc>&, const std::multiset<_Key, _Compare, _Alloc>&)
-     operator==(const multiset<_Key, _Compare, _Alloc>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_multiset.h:823:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::multiset<_Key, _Compare, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/set:61:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:95,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_set.h:840:5: note: candidate: template<class _Key, class _Compare, class _Alloc> bool std::operator==(const std::set<_Key, _Compare, _Alloc>&, const std::set<_Key, _Compare, _Alloc>&)
-     operator==(const set<_Key, _Compare, _Alloc>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_set.h:840:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::set<_Key, _Compare, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/map:62:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:94,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_multimap.h:976:5: note: candidate: template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator==(const std::multimap<_Key, _Tp, _Compare, _Alloc>&, const std::multimap<_Key, _Tp, _Compare, _Alloc>&)
-     operator==(const multimap<_Key, _Tp, _Compare, _Alloc>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_multimap.h:976:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::multimap<_Key, _Tp, _Compare, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/map:61:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:94,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_map.h:1311:5: note: candidate: template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator==(const std::map<_Key, _Tp, _Compare, _Alloc>&, const std::map<_Key, _Tp, _Compare, _Alloc>&)
-     operator==(const map<_Key, _Tp, _Compare, _Alloc>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_map.h:1311:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::map<_Key, _Tp, _Compare, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/map:60:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:94,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_tree.h:1282:5: note: candidate: template<class _Key, class _Val, class _KeyOfValue, class _Compare, class _Alloc> bool std::operator==(const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&, const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&)
-     operator==(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_tree.h:1282:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/map:60:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:94,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_tree.h:328:5: note: candidate: template<class _Val> bool std::operator==(const std::_Rb_tree_iterator<_Tp>&, const std::_Rb_tree_const_iterator<_Val>&)
-     operator==(const _Rb_tree_iterator<_Val>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_tree.h:328:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::_Rb_tree_iterator<_Tp>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/vector:64:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:93,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_vector.h:1509:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator==(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)
-     operator==(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_vector.h:1509:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::vector<_Tp, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/list:63:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:92,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_list.h:1853:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator==(const std::__cxx11::list<_Tp, _Alloc>&, const std::__cxx11::list<_Tp, _Alloc>&)
-     operator==(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y)
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_list.h:1853:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::__cxx11::list<_Tp, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/list:63:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:92,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_list.h:287:5: note: candidate: template<class _Val> bool std::operator==(const std::_List_iterator<_Tp>&, const std::_List_const_iterator<_Tp>&)
-     operator==(const _List_iterator<_Val>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_list.h:287:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::_List_iterator<_Tp>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/deque:64:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:91,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_deque.h:2220:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator==(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)
-     operator==(const deque<_Tp, _Alloc>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_deque.h:2220:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::deque<_Tp, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/deque:64:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:91,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_deque.h:272:5: note: candidate: template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> bool std::operator==(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&)
-     operator==(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_deque.h:272:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/deque:64:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/detail/container_fwd.hpp:91,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/extensions.hpp:22,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/container_hash/hash.hpp:760,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index/stl_type_index.hpp:42,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/type_index.hpp:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_base.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/prologue.hpp:17,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function_template.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/detail/maybe_include.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/function/function0.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/errors.hpp:13,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/handle.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python_base.hpp:7,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_deque.h:265:5: note: candidate: template<class _Tp, class _Ref, class _Ptr> bool std::operator==(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&)
-     operator==(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_deque.h:265:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/iterator:66:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/operators.hpp:98,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/type_id.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/instance_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stream_iterator.h:130:5: note: candidate: template<class _Tp, class _CharT, class _Traits, class _Dist> bool std::operator==(const std::istream_iterator<_Tp, _CharT, _Traits, _Dist>&, const std::istream_iterator<_Tp, _CharT, _Traits, _Dist>&)
-     operator==(const istream_iterator<_Tp, _CharT, _Traits, _Dist>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stream_iterator.h:130:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::istream_iterator<_Tp, _CharT, _Traits, _Dist>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/bits/locale_facets.h:48:0,
-                 from /usr/pkg/gcc6/include/c++/bits/basic_ios.h:37,
-                 from /usr/pkg/gcc6/include/c++/ios:44,
-                 from /usr/pkg/gcc6/include/c++/ostream:38,
-                 from /usr/pkg/gcc6/include/c++/iterator:64,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/operators.hpp:98,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/type_id.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/instance_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/streambuf_iterator.h:204:5: note: candidate: template<class _CharT, class _Traits> bool std::operator==(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&)
-     operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/streambuf_iterator.h:204:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::istreambuf_iterator<_CharT, _Traits>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/bits/ios_base.h:46:0,
-                 from /usr/pkg/gcc6/include/c++/ios:42,
-                 from /usr/pkg/gcc6/include/c++/ostream:38,
-                 from /usr/pkg/gcc6/include/c++/iterator:64,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/operators.hpp:98,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/type_id.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/instance_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/system_error:303:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_condition&)
-   operator==(const error_condition& __lhs,
-   ^~~~~~~~
-/usr/pkg/gcc6/include/c++/system_error:303:3: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const std::error_condition&'
-/usr/pkg/gcc6/include/c++/system_error:296:3: note: candidate: bool std::operator==(const std::error_condition&, const std::error_code&)
-   operator==(const error_condition& __lhs, const error_code& __rhs) noexcept
-   ^~~~~~~~
-/usr/pkg/gcc6/include/c++/system_error:296:3: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const std::error_condition&'
-/usr/pkg/gcc6/include/c++/system_error:289:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_condition&)
-   operator==(const error_code& __lhs, const error_condition& __rhs) noexcept
-   ^~~~~~~~
-/usr/pkg/gcc6/include/c++/system_error:289:3: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const std::error_code&'
-/usr/pkg/gcc6/include/c++/system_error:284:3: note: candidate: bool std::operator==(const std::error_code&, const std::error_code&)
-   operator==(const error_code& __lhs, const error_code& __rhs) noexcept
-   ^~~~~~~~
-/usr/pkg/gcc6/include/c++/system_error:284:3: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const std::error_code&'
-In file included from /usr/pkg/gcc6/include/c++/memory:82:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/shared_ptr.h:347:5: note: candidate: template<class _Tp> bool std::operator==(std::nullptr_t, const std::shared_ptr<_Tp1>&)
-     operator==(nullptr_t, const shared_ptr<_Tp>& __a) noexcept
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/shared_ptr.h:347:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::shared_ptr<_Tp1>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/memory:82:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/shared_ptr.h:342:5: note: candidate: template<class _Tp> bool std::operator==(const std::shared_ptr<_Tp1>&, std::nullptr_t)
-     operator==(const shared_ptr<_Tp>& __a, nullptr_t) noexcept
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/shared_ptr.h:342:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::shared_ptr<_Tp1>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/memory:82:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/shared_ptr.h:336:5: note: candidate: template<class _Tp1, class _Tp2> bool std::operator==(const std::shared_ptr<_Tp1>&, const std::shared_ptr<_Tp2>&)
-     operator==(const shared_ptr<_Tp1>& __a,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/shared_ptr.h:336:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::shared_ptr<_Tp1>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/bits/shared_ptr.h:52:0,
-                 from /usr/pkg/gcc6/include/c++/memory:82,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/shared_ptr_base.h:1197:5: note: candidate: template<class _Tp, __gnu_cxx::_Lock_policy _Lp> bool std::operator==(std::nullptr_t, const std::__shared_ptr<_Tp, _Lp>&)
-     operator==(nullptr_t, const __shared_ptr<_Tp, _Lp>& __a) noexcept
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/shared_ptr_base.h:1197:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::__shared_ptr<_Tp, _Lp>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/bits/shared_ptr.h:52:0,
-                 from /usr/pkg/gcc6/include/c++/memory:82,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/shared_ptr_base.h:1192:5: note: candidate: template<class _Tp, __gnu_cxx::_Lock_policy _Lp> bool std::operator==(const std::__shared_ptr<_Tp, _Lp>&, std::nullptr_t)
-     operator==(const __shared_ptr<_Tp, _Lp>& __a, nullptr_t) noexcept
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/shared_ptr_base.h:1192:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::__shared_ptr<_Tp, _Lp>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/bits/shared_ptr.h:52:0,
-                 from /usr/pkg/gcc6/include/c++/memory:82,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/shared_ptr_base.h:1186:5: note: candidate: template<class _Tp1, class _Tp2, __gnu_cxx::_Lock_policy _Lp> bool std::operator==(const std::__shared_ptr<_Tp1, _Lp>&, const std::__shared_ptr<_Tp2, _Lp>&)
-     operator==(const __shared_ptr<_Tp1, _Lp>& __a,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/shared_ptr_base.h:1186:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::__shared_ptr<_Tp1, _Lp>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/memory:81:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/unique_ptr.h:661:5: note: candidate: template<class _Tp, class _Dp> bool std::operator==(std::nullptr_t, const std::unique_ptr<_Tp, _Dp>&)
-     operator==(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) noexcept
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/unique_ptr.h:661:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/memory:81:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/unique_ptr.h:656:5: note: candidate: template<class _Tp, class _Dp> bool std::operator==(const std::unique_ptr<_Tp, _Dp>&, std::nullptr_t)
-     operator==(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) noexcept
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/unique_ptr.h:656:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/memory:81:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/unique_ptr.h:650:5: note: candidate: template<class _Tp, class _Dp, class _Up, class _Ep> bool std::operator==(const std::unique_ptr<_Tp, _Dp>&, const std::unique_ptr<_Up, _Ep>&)
-     operator==(const unique_ptr<_Tp, _Dp>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/unique_ptr.h:650:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/memory:79:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/functional:2199:5: note: candidate: template<class _Res, class ... _Args> bool std::operator==(std::nullptr_t, const std::function<_Res(_ArgTypes ...)>&)
-     operator==(nullptr_t, const function<_Res(_Args...)>& __f) noexcept
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/functional:2199:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::function<_Res(_ArgTypes ...)>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/memory:79:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/functional:2193:5: note: candidate: template<class _Res, class ... _Args> bool std::operator==(const std::function<_Res(_ArgTypes ...)>&, std::nullptr_t)
-     operator==(const function<_Res(_Args...)>& __f, nullptr_t) noexcept
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/functional:2193:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::function<_Res(_ArgTypes ...)>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/functional:55:0,
-                 from /usr/pkg/gcc6/include/c++/memory:79,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/tuple:1341:5: note: candidate: template<class ... _TElements, class ... _UElements> constexpr bool std::operator==(const std::tuple<_Elements ...>&, const std::tuple<_Elements ...>&)
-     operator==(const tuple<_TElements...>& __t,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/tuple:1341:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::tuple<_Elements ...>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/tuple:39:0,
-                 from /usr/pkg/gcc6/include/c++/functional:55,
-                 from /usr/pkg/gcc6/include/c++/memory:79,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/array:241:5: note: candidate: template<class _Tp, long unsigned int _Nm> bool std::operator==(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)
-     operator==(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/array:241:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::array<_Tp, _Nm>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/string:52:0,
-                 from /usr/pkg/gcc6/include/c++/stdexcept:39,
-                 from /usr/pkg/gcc6/include/c++/array:39,
-                 from /usr/pkg/gcc6/include/c++/tuple:39,
-                 from /usr/pkg/gcc6/include/c++/functional:55,
-                 from /usr/pkg/gcc6/include/c++/memory:79,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/basic_string.h:5099:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
-     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/basic_string.h:5099:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/string:52:0,
-                 from /usr/pkg/gcc6/include/c++/stdexcept:39,
-                 from /usr/pkg/gcc6/include/c++/array:39,
-                 from /usr/pkg/gcc6/include/c++/tuple:39,
-                 from /usr/pkg/gcc6/include/c++/functional:55,
-                 from /usr/pkg/gcc6/include/c++/memory:79,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/basic_string.h:5087:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
-     operator==(const _CharT* __lhs,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/basic_string.h:5087:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   mismatched types 'const _CharT*' and 'CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/string:52:0,
-                 from /usr/pkg/gcc6/include/c++/stdexcept:39,
-                 from /usr/pkg/gcc6/include/c++/array:39,
-                 from /usr/pkg/gcc6/include/c++/tuple:39,
-                 from /usr/pkg/gcc6/include/c++/functional:55,
-                 from /usr/pkg/gcc6/include/c++/memory:79,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/basic_string.h:5073:5: note: candidate: template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)
-     operator==(const basic_string<_CharT>& __lhs,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/basic_string.h:5073:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::__cxx11::basic_string<_CharT>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/string:52:0,
-                 from /usr/pkg/gcc6/include/c++/stdexcept:39,
-                 from /usr/pkg/gcc6/include/c++/array:39,
-                 from /usr/pkg/gcc6/include/c++/tuple:39,
-                 from /usr/pkg/gcc6/include/c++/functional:55,
-                 from /usr/pkg/gcc6/include/c++/memory:79,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/basic_string.h:5065:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
-     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/basic_string.h:5065:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/iosfwd:40:0,
-                 from /usr/pkg/gcc6/include/c++/memory:72,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/postypes.h:216:5: note: candidate: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)
-     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/postypes.h:216:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::fpos<_StateT>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/memory:63:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/allocator.h:152:5: note: candidate: template<class _Tp> bool std::operator==(const std::allocator<_Tp1>&, const std::allocator<_Tp1>&)
-     operator==(const allocator<_Tp>&, const allocator<_Tp>&)
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/allocator.h:152:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::allocator<_Tp1>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/memory:63:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/allocator.h:146:5: note: candidate: template<class _T1, class _T2> bool std::operator==(const std::allocator<_Tp1>&, const std::allocator<_T2>&)
-     operator==(const allocator<_T1>&, const allocator<_T2>&)
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/allocator.h:146:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::allocator<_Tp1>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/bits/stl_algobase.h:67:0,
-                 from /usr/pkg/gcc6/include/c++/memory:62,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_iterator.h:1119:5: note: candidate: template<class _Iterator> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)
-     operator==(const move_iterator<_Iterator>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_iterator.h:1119:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::move_iterator<_IteratorL>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/bits/stl_algobase.h:67:0,
-                 from /usr/pkg/gcc6/include/c++/memory:62,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_iterator.h:1113:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)
-     operator==(const move_iterator<_IteratorL>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_iterator.h:1113:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::move_iterator<_IteratorL>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/bits/stl_algobase.h:67:0,
-                 from /usr/pkg/gcc6/include/c++/memory:62,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_iterator.h:349:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
-     operator==(const reverse_iterator<_IteratorL>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_iterator.h:349:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::reverse_iterator<_Iterator>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/bits/stl_algobase.h:67:0,
-                 from /usr/pkg/gcc6/include/c++/memory:62,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_iterator.h:292:5: note: candidate: template<class _Iterator> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
-     operator==(const reverse_iterator<_Iterator>& __x,
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_iterator.h:292:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::reverse_iterator<_Iterator>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkg/gcc6/include/c++/bits/stl_algobase.h:64:0,
-                 from /usr/pkg/gcc6/include/c++/memory:62,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_pair.h:435:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
-     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
-     ^~~~~~~~
-/usr/pkg/gcc6/include/c++/bits/stl_pair.h:435:5: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const std::pair<_T1, _T2>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-graph_triangulation.cc:63:6: note: candidate: bool CGAL::operator==(const Vertex&, const Vertex&)
- bool operator==(const PeriodicDelaunayTriangulation::Vertex& a,
-      ^~~~~~~~
-graph_triangulation.cc:63:6: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const Vertex& {aka const CGAL::Triangulation_vertex_base_3<CGAL::Periodic_3_Delaunay_triangulation_traits_3<CGAL::Epick>, CGAL::Periodic_3_triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Periodic_3_Delaunay_triangulation_traits_3<CGAL::Epick>, CGAL::Periodic_3_triangulation_ds_vertex_base_3<void> >, CGAL::Triangulation_cell_base_3<CGAL::Periodic_3_Delaunay_triangulation_traits_3<CGAL::Epick>, CGAL::Periodic_3_triangulation_ds_cell_base_3<void> >, CGAL
::Sequential_tag> > >&}'
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Periodic_3_Delaunay_triangulation_3.h:30:0,
-                 from graph_triangulation.cc:56:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Periodic_3_triangulation_3.h:4331:1: note: candidate: template<class GT, class TDS1, class TDS2> bool CGAL::operator==(const CGAL::Periodic_3_triangulation_3<GT, TDS>&, const CGAL::Periodic_3_triangulation_3<GT, TDS2>&)
- operator==(const Periodic_3_triangulation_3<GT,TDS1>& t1,
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Periodic_3_triangulation_3.h:4331:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Periodic_3_triangulation_3<GT, TDS>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-graph_triangulation.cc:46:6: note: candidate: bool CGAL::operator==(const Vertex&, const Vertex&)
- bool operator==(const SimpleTriangulation::Vertex& a,
-      ^~~~~~~~
-graph_triangulation.cc:46:6: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const Vertex& {aka const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> >, CGAL::Sequential_tag> > >&}'
-In file included from graph_triangulation.cc:38:0:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_3.h:6956:1: note: candidate: template<class GT, class Tds1, class Tds2, class Lds> bool CGAL::operator==(const CGAL::Triangulation_3<GT, Tds1, Lds>&, const CGAL::Triangulation_3<GT, Tds2, Lds>&)
- operator==(const Triangulation_3<GT, Tds1, Lds>& t1,
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_3.h:6956:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Triangulation_3<GT, Tds1, Lds>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_data_structure_3.h:55:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_3.h:47,
-                 from graph_triangulation.cc:38:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_simplex_3.h:165:1: note: candidate: template<class TriangulationDataStructure_3> bool CGAL::operator==(CGAL::Triangulation_simplex_3<TriangulationDataStructure_3>, CGAL::Triangulation_simplex_3<TriangulationDataStructure_3>)
- operator==(Triangulation_simplex_3<TriangulationDataStructure_3> s0,
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_simplex_3.h:165:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'CGAL::Triangulation_simplex_3<TriangulationDataStructure_3>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_data_structure_3.h:51:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_3.h:47,
-                 from graph_triangulation.cc:38:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Compact_container.h:982:6: note: candidate: template<class T, class Allocator, class Increment_policy, class TimeStamper> bool CGAL::operator==(const CGAL::Compact_container<T, Allocator, Increment_policy, TimeStamper>&, const CGAL::Compact_container<T, Allocator, Increment_policy, TimeStamper>&)
- bool operator==(const Compact_container<T, Allocator, Increment_policy, TimeStamper> &lhs,
-      ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Compact_container.h:982:6: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Compact_container<T, Allocator, Increment_policy, TimeStamper>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_data_structure_3.h:43:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_3.h:47,
-                 from graph_triangulation.cc:38:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/iterator.h:641:6: note: candidate: template<class I, class P> bool CGAL::operator==(const CGAL::Filter_iterator<I, P>&, const CGAL::Filter_iterator<I, P>&)
- bool operator==(const Filter_iterator<I,P>& it1,
-      ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/iterator.h:641:6: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Filter_iterator<I, P>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_data_structure_3.h:42:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_3.h:47,
-                 from graph_triangulation.cc:38:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/utility.h:261:1: note: candidate: template<class T1, class T2, class T3, class T4> bool CGAL::operator==(const CGAL::Quadruple<T1, T2, T3, T4>&, const CGAL::Quadruple<T1, T2, T3, T4>&)
- operator==(const Quadruple<T1, T2, T3, T4>& x,
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/utility.h:261:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Quadruple<T1, T2, T3, T4>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_data_structure_3.h:42:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_3.h:47,
-                 from graph_triangulation.cc:38:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/utility.h:161:13: note: candidate: template<class T1, class T2, class T3> bool CGAL::operator==(const CGAL::Triple<T1, T2, T3>&, const CGAL::Triple<T1, T2, T3>&)
- inline bool operator==(const Triple<T1, T2, T3>& x,
-             ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/utility.h:161:13: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Triple<T1, T2, T3>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Gmp_coercion_traits.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Gmpz.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Exact_type_selector.h:37,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:35,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1339:6: note: candidate: bool CGAL::operator==(const CGAL::Gmpfr&, const CGAL::Gmpz&)
- bool operator==(const Gmpfr &a,const Gmpz &b){
-      ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1339:6: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const CGAL::Gmpfr&'
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1323:6: note: candidate: bool CGAL::operator==(const CGAL::Gmpfr&, long double)
- bool operator==(const Gmpfr &a,long double b){
-      ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1323:6: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const CGAL::Gmpfr&'
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1291:6: note: candidate: bool CGAL::operator==(const CGAL::Gmpfr&, double)
- bool operator==(const Gmpfr &a,double b){
-      ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1291:6: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const CGAL::Gmpfr&'
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1276:6: note: candidate: bool CGAL::operator==(const CGAL::Gmpfr&, int)
- bool operator==(const Gmpfr &a,int b){
-      ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1276:6: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const CGAL::Gmpfr&'
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1261:6: note: candidate: bool CGAL::operator==(const CGAL::Gmpfr&, long unsigned int)
- bool operator==(const Gmpfr &a,unsigned long b){
-      ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1261:6: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const CGAL::Gmpfr&'
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1246:6: note: candidate: bool CGAL::operator==(const CGAL::Gmpfr&, long int)
- bool operator==(const Gmpfr &a,long b){
-      ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1246:6: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const CGAL::Gmpfr&'
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1231:6: note: candidate: bool CGAL::operator==(const CGAL::Gmpfr&, const CGAL::Gmpfr&)
- bool operator==(const Gmpfr &a,const Gmpfr &b){
-      ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpfr_type.h:1231:6: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const CGAL::Gmpfr&'
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Gmp_coercion_traits.h:32:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Gmpz.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Exact_type_selector.h:37,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:35,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpzf_type.h:574:6: note: candidate: bool CGAL::operator==(const CGAL::Gmpzf&, int)
- bool operator==(const Gmpzf &a, int b)
-      ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpzf_type.h:574:6: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const CGAL::Gmpzf&'
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpzf_type.h:561:6: note: candidate: bool CGAL::operator==(const CGAL::Gmpzf&, const CGAL::Gmpzf&)
- bool operator==(const Gmpzf &a, const Gmpzf &b)
-      ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/GMP/Gmpzf_type.h:561:6: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const CGAL::Gmpzf&'
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Exact_type_selector.h:34:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:35,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Lazy_exact_nt.h:632:1: note: candidate: template<class ET> bool CGAL::operator==(const CGAL::Lazy_exact_nt<ET>&, double)
- operator==(const Lazy_exact_nt<ET>& a, double b)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Lazy_exact_nt.h:632:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Lazy_exact_nt<ET>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Exact_type_selector.h:34:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:35,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Lazy_exact_nt.h:594:1: note: candidate: template<class ET> bool CGAL::operator==(const CGAL::Lazy_exact_nt<ET>&, int)
- operator==(const Lazy_exact_nt<ET>& a, int b)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Lazy_exact_nt.h:594:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Lazy_exact_nt<ET>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Exact_type_selector.h:34:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:35,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Lazy_exact_nt.h:518:1: note: candidate: template<class ET1, class ET2> bool CGAL::operator==(const CGAL::Lazy_exact_nt<ET>&, const CGAL::Lazy_exact_nt<ET1>&)
- operator==(const Lazy_exact_nt<ET1>& a, const Lazy_exact_nt<ET2>& b)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Lazy_exact_nt.h:518:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Lazy_exact_nt<ET>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Exact_type_selector.h:32:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:35,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/MP_Float.h:394:6: note: candidate: bool CGAL::operator==(const CGAL::MP_Float&, const CGAL::MP_Float&)
- bool operator==(const MP_Float &a, const MP_Float &b)
-      ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/MP_Float.h:394:6: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const CGAL::MP_Float&'
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension.h:56:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/MP_Float.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Exact_type_selector.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:35,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension/Sqrt_extension_type.h:782:65: note: candidate: template<class NT, class ROOT, class ACDE_TAG, class FP_TAG> bool CGAL::operator==(typename CGAL::First_if_different<int, NT_>::Type, const CGAL::Sqrt_extension<NT, ROOT, ACDE_TAG, FP_TAG>&)
- template <class NT,class ROOT,class ACDE_TAG,class FP_TAG> bool operator ==
-                                                                 ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension/Sqrt_extension_type.h:782:65: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Sqrt_extension<NT, ROOT, ACDE_TAG, FP_TAG>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension.h:56:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/MP_Float.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Exact_type_selector.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:35,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension/Sqrt_extension_type.h:772:68: note: candidate: template<class NT, class ROOT, class ACDE_TAG, class FP_TAG> bool CGAL::operator==(const CGAL::Sqrt_extension<NT, ROOT, ACDE_TAG, FP_TAG>&, typename CGAL::First_if_different<int, NT_>::Type)
- template <class NT,class ROOT,class ACDE_TAG,class FP_TAG>    bool operator ==
-                                                                    ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension/Sqrt_extension_type.h:772:68: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Sqrt_extension<NT, ROOT, ACDE_TAG, FP_TAG>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension.h:56:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/MP_Float.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Exact_type_selector.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:35,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension/Sqrt_extension_type.h:760:65: note: candidate: template<class NT, class ROOT, class ACDE_TAG, class FP_TAG> bool CGAL::operator==(const NT&, const CGAL::Sqrt_extension<NT, ROOT, ACDE_TAG, FP_TAG>&)
- template <class NT,class ROOT,class ACDE_TAG,class FP_TAG> bool operator ==
-                                                                 ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension/Sqrt_extension_type.h:760:65: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Sqrt_extension<NT, ROOT, ACDE_TAG, FP_TAG>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension.h:56:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/MP_Float.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Exact_type_selector.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:35,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension/Sqrt_extension_type.h:749:67: note: candidate: template<class NT, class ROOT, class ACDE_TAG, class FP_TAG> bool CGAL::operator==(const CGAL::Sqrt_extension<NT, ROOT, ACDE_TAG, FP_TAG>&, const NT&)
- template <class NT,class ROOT,class ACDE_TAG,class FP_TAG>   bool operator ==
-                                                                   ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension/Sqrt_extension_type.h:749:67: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Sqrt_extension<NT, ROOT, ACDE_TAG, FP_TAG>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension.h:56:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/MP_Float.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Exact_type_selector.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:35,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension/Sqrt_extension_type.h:740:1: note: candidate: template<class NT, class ROOT, class FP_TAG> bool CGAL::operator==(const CGAL::Sqrt_extension<NT, ROOT, CGAL::Boolean_tag<true>, FP_TAG>&, const CGAL::Sqrt_extension<NT, ROOT, CGAL::Boolean_tag<true>, FP_TAG>&)
- operator == (const Sqrt_extension<NT,ROOT,Tag_true,FP_TAG>& p1, const Sqrt_extension<NT,ROOT,Tag_true,FP_TAG>& p2)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension/Sqrt_extension_type.h:740:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Sqrt_extension<NT, ROOT, CGAL::Boolean_tag<true>, FP_TAG>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension.h:56:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/MP_Float.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Exact_type_selector.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:35,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension/Sqrt_extension_type.h:737:1: note: candidate: template<class NT, class ROOT, class FP_TAG> bool CGAL::operator==(const CGAL::Sqrt_extension<NT, ROOT, CGAL::Boolean_tag<false>, FP_TAG>&, const CGAL::Sqrt_extension<NT, ROOT, CGAL::Boolean_tag<false>, FP_TAG>&)
- operator == (const Sqrt_extension<NT,ROOT,Tag_false,FP_TAG>& p1, const Sqrt_extension<NT,ROOT,Tag_false,FP_TAG>& p2)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Sqrt_extension/Sqrt_extension_type.h:737:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Sqrt_extension<NT, ROOT, CGAL::Boolean_tag<false>, FP_TAG>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel_d/Cartesian_const_iterator_d.h:29:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/VectorH2.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/predicates_on_directionsH2.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/DirectionH2.h:109,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/Homogeneous_base.h:38,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_homogeneous.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:33,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Quotient.h:492:1: note: candidate: template<class NT> bool CGAL::operator==(const CGAL::Quotient<NT>&, const typename CGAL::First_if_different<double, NT_>::Type&)
- operator==(const Quotient<NT>& x, const CGAL_double(NT) & y)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Quotient.h:492:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Quotient<NT>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel_d/Cartesian_const_iterator_d.h:29:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/VectorH2.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/predicates_on_directionsH2.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/DirectionH2.h:109,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/Homogeneous_base.h:38,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_homogeneous.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:33,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Quotient.h:486:1: note: candidate: template<class NT> bool CGAL::operator==(const CGAL::Quotient<NT>&, const typename CGAL::First_if_different<int, NT_>::Type&)
- operator==(const Quotient<NT>& x, const CGAL_int(NT) & y)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Quotient.h:486:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Quotient<NT>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel_d/Cartesian_const_iterator_d.h:29:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/VectorH2.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/predicates_on_directionsH2.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/DirectionH2.h:109,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/Homogeneous_base.h:38,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_homogeneous.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:33,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Quotient.h:480:1: note: candidate: template<class NT> bool CGAL::operator==(const CGAL::Quotient<NT>&, const NT&)
- operator==(const Quotient<NT>& x, const NT& y)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Quotient.h:480:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Quotient<NT>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel_d/Cartesian_const_iterator_d.h:29:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/VectorH2.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/predicates_on_directionsH2.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/DirectionH2.h:109,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Homogeneous/Homogeneous_base.h:38,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_homogeneous.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_kernel_selector.h:33,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Filtered_kernel.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:30,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Quotient.h:474:1: note: candidate: template<class NT> bool CGAL::operator==(const CGAL::Quotient<NT>&, const CGAL::Quotient<NT>&)
- operator==(const Quotient<NT>& x, const Quotient<NT>& y)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Quotient.h:474:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Quotient<NT>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:53:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Vector_3.h:167:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Null_vector&, const CGAL::VectorC3<R>&)
- operator==(const Null_vector &n, const VectorC3<R> &v)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Vector_3.h:167:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::VectorC3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:53:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Vector_3.h:158:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::VectorC3<R>&, const CGAL::Null_vector&)
- operator==(const VectorC3<R> &v, const Null_vector &)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Vector_3.h:158:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::VectorC3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:53:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Vector_3.h:142:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::VectorC3<R>&, const CGAL::VectorC3<R>&)
- operator==(const VectorC3<R> &v, const VectorC3<R> &w)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Vector_3.h:142:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::VectorC3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:35:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Vector_2.h:131:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Null_vector&, const CGAL::VectorC2<R>&)
- operator==(const Null_vector &n, const VectorC2<R> &v)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Vector_2.h:131:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::VectorC2<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:35:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Vector_2.h:123:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::VectorC2<R>&, const CGAL::Null_vector&)
- operator==(const VectorC2<R> &v, const Null_vector &)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Vector_2.h:123:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::VectorC2<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:35:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Vector_2.h:107:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::VectorC2<R>&, const CGAL::VectorC2<R>&)
- operator==(const VectorC2<R> &v, const VectorC2<R> &w)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Vector_2.h:107:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::VectorC2<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:903:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Vector_3<R>&, const CGAL::Null_vector&)
- operator==(const Vector_3<K>& p, const Null_vector& o)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:903:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Vector_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:891:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Vector_3<R>&, const CGAL::Vector_3<R>&)
- operator==(const Vector_3<K>& p, const Vector_3<K>& q)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:891:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Vector_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:879:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Sphere_3<R_>&, const CGAL::Sphere_3<R_>&)
- operator==(const Sphere_3<K>& p, const Sphere_3<K>& q)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:879:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Sphere_3<R_>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:867:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Direction_3<R>&, const CGAL::Direction_3<R>&)
- operator==(const Direction_3<K>& p, const Direction_3<K>& q)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:867:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Direction_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:855:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Tetrahedron_3<R>&, const CGAL::Tetrahedron_3<R>&)
- operator==(const Tetrahedron_3<K>& p, const Tetrahedron_3<K>& q)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:855:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Tetrahedron_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:843:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Triangle_3<R>&, const CGAL::Triangle_3<R>&)
- operator==(const Triangle_3<K>& p, const Triangle_3<K>& q)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:843:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Triangle_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:831:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Ray_3<R>&, const CGAL::Ray_3<R>&)
- operator==(const Ray_3<K>& p, const Ray_3<K>& q)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:831:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Ray_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:819:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Line_3<R>&, const CGAL::Line_3<R>&)
- operator==(const Line_3<K>& p, const Line_3<K>& q)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:819:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Line_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:807:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Segment_3<R_>&, const CGAL::Segment_3<R_>&)
- operator==(const Segment_3<K>& p, const Segment_3<K>& q)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:807:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Segment_3<R_>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:795:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Plane_3<R>&, const CGAL::Plane_3<R>&)
- operator==(const Plane_3<K>& p, const Plane_3<K>& q)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:795:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Plane_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:783:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Iso_cuboid_3<R>&, const CGAL::Iso_cuboid_3<R>&)
- operator==(const Iso_cuboid_3<K>& p, const Iso_cuboid_3<K>& q)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:783:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Iso_cuboid_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:771:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Point_3<R>&, const CGAL::Origin&)
- operator==(const Point_3<K>& p, const Origin& o)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:771:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Point_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:33:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:759:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Point_3<R>&, const CGAL::Point_3<R>&)
- operator==(const Point_3<K>& p, const Point_3<K>& q)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_3.h:759:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Point_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:847:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Vector_2<R>&, const CGAL::Vector_2<R>&)
- operator==(const Vector_2<K>& v, const Vector_2<K>& w)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:847:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Vector_2<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:811:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Point_2<R>&, const CGAL::Point_2<R>&)
- operator==(const Point_2<K>& p, const Point_2<K>& q)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:811:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Point_2<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:42:1: note: candidate: template<class K> typename K::Boolean CGAL::operator==(const CGAL::Point_2<R>&, const CGAL::Origin&)
- operator==(const Point_2<K> &p, const Origin& o)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:42:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Point_2<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/user_classes.h:55:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Circle_3.h:165:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Circle_3<R>&, const CGAL::Circle_3<R>&)
- operator==(const Circle_3<R> &p,
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Circle_3.h:165:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Circle_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/user_classes.h:44:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_3.h:242:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Weighted_point_3<R>&, const CGAL::Weighted_point_3<R>&)
- operator==(const Weighted_point_3<R>& p, const Weighted_point_3<R>& p2)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_3.h:242:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Weighted_point_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/user_classes.h:44:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_3.h:230:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Weighted_point_3<R>&, const CGAL::Point_3<R>&)
- operator==(const Weighted_point_3<R>& p, const Point_3<R>& bp)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_3.h:230:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Weighted_point_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/user_classes.h:44:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_3.h:218:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Point_3<R>&, const CGAL::Weighted_point_3<R>&)
- operator==(const Point_3<R>& bp, const Weighted_point_3<R>& p)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_3.h:218:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Point_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/user_classes.h:44:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_3.h:206:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Origin&, const CGAL::Weighted_point_3<R>&)
- operator==(const Origin& o, const Weighted_point_3<R>& p)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_3.h:206:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Weighted_point_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/user_classes.h:43:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Point_3.h:205:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Origin&, const CGAL::Point_3<R>&)
- operator==(const Origin& o, const Point_3<R>& p)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Point_3.h:205:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Point_3<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/user_classes.h:32:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Vector_2.h:268:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Null_vector&, const CGAL::Vector_2<R>&)
- operator==(const Null_vector &n, const Vector_2<R> &v)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Vector_2.h:268:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Vector_2<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/user_classes.h:32:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Vector_2.h:260:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Vector_2<R>&, const CGAL::Null_vector&)
- operator==(const Vector_2<R> &v, const Null_vector &n)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Vector_2.h:260:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Vector_2<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/user_classes.h:31:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_2.h:228:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Weighted_point_2<R>&, const CGAL::Weighted_point_2<R>&)
- operator==(const Weighted_point_2<R>& p, const Weighted_point_2<R>& p2)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_2.h:228:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Weighted_point_2<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/user_classes.h:31:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_2.h:216:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Weighted_point_2<R>&, const CGAL::Point_2<R>&)
- operator==(const Weighted_point_2<R>& p, const Point_2<R>& bp)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_2.h:216:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Weighted_point_2<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/user_classes.h:31:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_2.h:204:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Point_2<R>&, const CGAL::Weighted_point_2<R>&)
- operator==(const Point_2<R>& bp, const Weighted_point_2<R>& p)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_2.h:204:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Point_2<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/user_classes.h:31:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions_2.h:34,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Kernel/global_functions.h:32,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_2.h:191:1: note: candidate: template<class R> bool CGAL::operator==(const CGAL::Origin&, const CGAL::Weighted_point_2<R>&)
- operator==(const Origin& o, const Weighted_point_2<R>& p)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Weighted_point_2.h:191:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Weighted_point_2<R>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Residue.h:32:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Modular_traits.h:25,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/int.h:31,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/number_type_basic.h:65,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/basic.h:45,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Modular_arithmetic/Residue_type.h:294:13: note: candidate: bool CGAL::operator==(const CGAL::Residue&, int)
- inline bool operator == (const Residue& p1, int p2)
-             ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Modular_arithmetic/Residue_type.h:294:13: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const CGAL::Residue&'
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Modular_arithmetic/Residue_type.h:292:13: note: candidate: bool CGAL::operator==(const CGAL::Residue&, const CGAL::Residue&)
- inline bool operator == (const Residue& p1, const Residue& p2)
-             ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Modular_arithmetic/Residue_type.h:292:13: note:   no known conversion for argument 1 from 'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' to 'const CGAL::Residue&'
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/long_double.h:38:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/number_type_basic.h:61,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/basic.h:45,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Interval_nt.h:361:1: note: candidate: template<bool Protected> CGAL::Uncertain<bool> CGAL::operator==(const CGAL::Interval_nt<Protected>&, double)
- operator==(const Interval_nt<Protected> &a, double b)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Interval_nt.h:361:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Interval_nt<Protected>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/long_double.h:38:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/number_type_basic.h:61,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/basic.h:45,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Interval_nt.h:313:1: note: candidate: template<bool Protected> CGAL::Uncertain<bool> CGAL::operator==(double, const CGAL::Interval_nt<Protected>&)
- operator==(double a, const Interval_nt<Protected> &b)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Interval_nt.h:313:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Interval_nt<Protected>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/long_double.h:38:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/number_type_basic.h:61,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/basic.h:45,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Interval_nt.h:262:1: note: candidate: template<bool Protected> CGAL::Uncertain<bool> CGAL::operator==(const CGAL::Interval_nt<Protected>&, const CGAL::Interval_nt<Protected>&)
- operator==(const Interval_nt<Protected> &a, const Interval_nt<Protected> &b)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Interval_nt.h:262:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::Interval_nt<Protected>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/assertions.h:359:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/basic.h:43,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Uncertain.h:391:17: note: candidate: template<class T> CGAL::Uncertain<bool> CGAL::operator==(T, CGAL::Uncertain<T1>)
- Uncertain<bool> operator==(T a, Uncertain<T> b)
-                 ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Uncertain.h:391:17: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'CGAL::Uncertain<T1>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/assertions.h:359:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/basic.h:43,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Uncertain.h:380:17: note: candidate: template<class T> CGAL::Uncertain<bool> CGAL::operator==(CGAL::Uncertain<T1>, T)
- Uncertain<bool> operator==(Uncertain<T> a, T b)
-                 ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Uncertain.h:380:17: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'CGAL::Uncertain<T1>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/assertions.h:359:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/basic.h:43,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Cartesian/Cartesian_base.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Simple_cartesian.h:29,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Exact_predicates_inexact_constructions_kernel.h:29,
-                 from graph_triangulation.cc:37:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Uncertain.h:369:17: note: candidate: template<class T> CGAL::Uncertain<bool> CGAL::operator==(CGAL::Uncertain<T1>, CGAL::Uncertain<T1>)
- Uncertain<bool> operator==(Uncertain<T> a, Uncertain<T> b)
-                 ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Uncertain.h:369:17: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'CGAL::Uncertain<T1>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Triangulation_ds_iterators_3.h:30:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_data_structure_3.h:57,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_3.h:47,
-                 from graph_triangulation.cc:38:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Triangulation_ds_circulators_3.h:181:1: note: candidate: template<class Tds_> bool CGAL::internal::operator==(typename Tds_::Cell_handle, CGAL::internal::Triangulation_ds_cell_circulator_3<Tds_>)
- operator==(typename Tds_::Cell_handle ch, Triangulation_ds_cell_circulator_3<Tds_> cc)
- ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/internal/Triangulation_ds_circulators_3.h:181:1: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'CGAL::internal::Triangulation_ds_cell_circulator_3<Tds_>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_data_structure_3.h:51:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_3.h:47,
-                 from graph_triangulation.cc:38:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Compact_container.h:1284:8: note: candidate: template<class DSC, bool Const> bool CGAL::internal::operator==(const CGAL::internal::CC_iterator<DSC, Const1>&, CGAL::Nullptr_t)
-   bool operator==(const CC_iterator<DSC, Const> &rhs,
-        ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Compact_container.h:1284:8: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::internal::CC_iterator<DSC, Const1>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-In file included from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_data_structure_3.h:51:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Triangulation_3.h:47,
-                 from graph_triangulation.cc:38:
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Compact_container.h:1267:8: note: candidate: template<class DSC, bool Const1, bool Const2> bool CGAL::internal::operator==(const CGAL::internal::CC_iterator<DSC, Const1>&, const CGAL::internal::CC_iterator<DSC, Const2>&)
-   bool operator==(const CC_iterator<DSC, Const1> &rhs,
-        ^~~~~~~~
-/usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/CGAL/Compact_container.h:1267:8: note:   template argument deduction/substitution failed:
-In file included from /usr/pkg/gcc6/include/c++/memory:76:0,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/config/no_tr1/memory.hpp:21,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/get_pointer.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object/pointer_holder.hpp:11,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/to_python_indirect.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/converter/arg_to_python.hpp:10,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/call.hpp:15,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object_core.hpp:14,
-                 from /usr/pkgsrc/wip/py-graph-tool/work/.buildlink/include/boost/python/object.hpp:9,
-                 from ../../../src/graph/graph.hh:23,
-                 from graph_triangulation.cc:23:
-/usr/pkg/gcc6/include/c++/bits/stl_function.h:356:20: note:   'const CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > >' is not derived from 'const CGAL::internal::CC_iterator<DSC, Const1>'
-       { return __x == __y; }
-                ~~~~^~~~~~
-*** Error code 1
-
-Stop.
-bmake.bin[4]: stopped in /usr/pkgsrc/wip/py-graph-tool/work/graph-tool-2.27/src/graph/generation
-*** Error code 1
-
-Stop.
-bmake.bin[3]: stopped in /usr/pkgsrc/wip/py-graph-tool/work/graph-tool-2.27/src/graph
-*** Error code 1
-
-Stop.
-bmake.bin[2]: stopped in /usr/pkgsrc/wip/py-graph-tool/work/graph-tool-2.27/src
-*** Error code 1
-
-Stop.
-bmake.bin[1]: stopped in /usr/pkgsrc/wip/py-graph-tool/work/graph-tool-2.27
-*** Error code 1
-
-Stop.
-bmake.bin: stopped in /usr/pkgsrc/wip/py-graph-tool/work/graph-tool-2.27
-*** Error code 1
-
-Stop.
-bmake.bin[1]: stopped in /usr/pkgsrc/wip/py-graph-tool
-*** Error code 1
-
-Stop.
-bmake.bin: stopped in /usr/pkgsrc/wip/py-graph-tool


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