zimoun <zimon.toutoune@gmail.com> writes:

> Hi,
>
> I am working on the package Gmsh.
>
> Well, say the upstream repo is cloned and I am following the upstream readme.
> Basically, it is a CMake build system for C++ code with some Fortran.
>
> So, if I am doing:
>   mkdir build-1 && cd build-1
>   guix environment gmsh --pure
>   cmake .. && make
>   ./gmsh -info # ok :-)
>
> If I am doing:
>   mkdir build-2 && cd build-2
>   guix environment --pure --ad-hoc \
>      cmake make binutils glibc gfortran@5.5.0 gcc@5.5.0
>   cmake .. && make
>   ./gmsh -info # ok :-)
>
> Now, I would like to build a version with PETSc.
>
>   mkdir build-3 && cd build-3
>   guix environment --pure --ad-hoc \
>      cmake make binutils glibc gfortran@5.5.0 gcc@5.5.0 \
>      petsc
>   cmake .. && make
>   ./gmsh -info # fail!

One tip, try using gcc-toolchain@5.5.0 rather than binutils, glibc and
gcc@5.5.0. I'm not quite sure why, but I've had it help me with other
compilation issues.