Bug#807666: nmu: mpich_3.1-6

[Matthias Klose <doko@debian.org>]

On 11.12.2015 14:50, Samuel Thibault wrote:
> Package: release.debian.org
> Severity: normal
> User: release.debian.org@packages.debian.org
> Usertags: binnmu
>
> Hello,
>
> Compiling c++ programs against mpich currently fails in sid:
>
> In file included from /usr/include/mpich/mpi.h:2175:0,
>                   from test.c:1:
> /usr/include/mpich/mpicxx.h:22:4: error: #error 'Please use the same version of GCC and g++ for compiling MPICH and user MPI programs'
>   #  error 'Please use the same version of GCC and g++ for compiling MPICH and user MPI programs'
>
> Apparently mpich got built with 5.2, and sid currently has 5.3, thus the
> failure.  Rebuilding mpich with current gcc 5.3 should be fixing it.
>
> Samuel
>
> nmu mpich_3.1-6 . ANY . unstable . -m "Rebuild against g++ 5.3"

better fix mpich to not give this error on minor releases. This was correct 
before GCC 5, not for GCC 5 and newer versions.