Re: math/cgal and gcc10

[Chavdar Ivanov <ci4ic4%gmail.com@localhost>]

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



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