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**To**:**Greg Troxel <gdt%lexort.com@localhost>****Subject**:**Re: math/cgal and gcc10****From**:**Chavdar Ivanov <ci4ic4%gmail.com@localhost>**- Date: Sun, 25 Apr 2021 12:40:10 +0100

On Sun, 25 Apr 2021 at 11:47, Greg Troxel <gdt%lexort.com@localhost> wrote: > > > Chavdar Ivanov <ci4ic4%gmail.com@localhost> writes: > > > Hi, > > > > Update to gcc10 requires > > > > cvs diff -u > > cvs diff: Diffing . > > Index: Makefile > > =================================================================== > > RCS file: /cvsroot/pkgsrc/math/cgal/Makefile,v > > retrieving revision 1.62 > > diff -u -r1.62 Makefile > > --- Makefile 21 Apr 2021 13:24:12 -0000 1.62 > > +++ Makefile 25 Apr 2021 09:29:10 -0000 > > @@ -15,7 +15,7 @@ > > LICENSE= gnu-lgpl-v3 > > > > USE_CMAKE= yes > > -USE_LANGUAGES= c c++03 > > +USE_LANGUAGES= c c++11 > > CMAKE_ARGS+= -DCGAL_INSTALL_MAN_DIR=${PREFIX}/${PKGMANDIR}/man1 > > > > REPLACE_SH+= scripts/cgal_create_CMakeLists > > > > for math/cgal. > > > > I don't know if one should send PRs for this sort of occasional problems. > > Here (or pkgsrc-users?) seems ok. But my question would be if cgal > documents that it needs a C++11 compiler, in which case this change is > right regardless, or if it's supposed to be ok with C++03, in which case > maybe something else is wrong. The error messages before the patch were pretty much straightforward: ... ===> Building for cgal-4.14nb19 [ 2%] Building CXX object src/CGAL/CMakeFiles/CGAL.dir/all_files.cpp.o In file included from /usr/include/g++/type_traits:35, from /usr/pkgsrc/math/cgal/work/.buildlink/include/boost/math/special_functions/math_fwd.hpp:28, from /usr/pkgsrc/math/cgal/work/.buildlink/include/boost/math/special_functions/next.hpp:14, from /usr/pkgsrc/math/cgal/work/CGAL-4.14/include/CGAL/Bbox_2.h:33, from /usr/pkgsrc/math/cgal/work/CGAL-4.14/include/CGAL/Intersections_2/Bbox_2_Line_2.h:30, from /usr/pkgsrc/math/cgal/work/CGAL-4.14/src/CGAL/Bbox_2_intersections.cpp:28, from /usr/pkgsrc/math/cgal/work/CGAL-4.14/src/CGAL/all_files.cpp:1: /usr/include/g++/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support must be enabled with the -std=c++11 or -std=gnu++11 compiler options. .... Chavdar -- ----

**References**:**math/cgal and gcc10***From:*Chavdar Ivanov

**Re: math/cgal and gcc10***From:*Greg Troxel

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