CGAL users discussion list

[Laurent Saboret <>]

Marc Glisse wrote:
> On Mon, 13 Jul 2009, Laurent Saboret wrote:
>
> > Hi sanlington,
> >
> > I do not have gcc version 4.4 but I was able to reproduce the bug with 
> > gcc 4.3.
> >
> > The first error occurs here:
> > > > > obj/linux/taucs_blas_underscore_test build/linux/taucs_config_tests.h
> > > > > obj/linux/taucs_blas_underscore_test: error while loading shared
> > > > > libraries: libg2c.so.0: cannot open shared object file: No such 
> > > > > file or
> > > > > directory
> >
> > You need the libg2c shared library, which is part of g77 Fortran 
> > compiler = GNU 3.x Fortran compiler.
> > You should install g77 (not gfortran = GNU 4.x Fortran compiler).
> >
> > On my OS (Fedora 7), it comes for example in the compat-gcc-34-g77 rpm.
>
> On a modern distro, you are better off not using g77 (or g2c) at all. 
> For taucs, replacing g77 by gfortran and removing -lg2c in the config 
> file and removing the precompiled libs (gfortran-compiled versions of 
> which are provided by my distro) works fine.

You are right. I use g77 to be compatible with gcc 3.x which is still 
supported by CGAL 3.4.

Regards,
Laurent Saboret