On 18 May 2010 14:50, marco restelli <mrestelli@gmail.com> wrote:

> On Tue, May 18, 2010 at 2:13 PM, Marcin <mrybarski@gmail.com> wrote:
> > "  /usr/bin/c++ -march=athlon64 -O2 -pipe -msse3 -fPIC -Wl,-O1 -ldl -lmpi
> >  CMakeFiles/cmTryCompileExec.dir/testCXXCompiler.cxx.o -o
> cmTryCompileExec
> >  -rdynamic
> >
> >
> >
>  /usr/lib/gcc/x86_64-pc-linux-gnu/4.3.4/../../../../x86_64-pc-linux-gnu/bin/ld:
> >  cannot find -lmpi
> > "
> >
> > USE="mpi" may help?
> >
>
> Hi Marcin,
>   well, possibly, but I have mpich2 and I get a conflict.
>
> [ebuild  N    ] sys-cluster/openmpi-1.2.9  USE="cxx fortran ipv6
> -debug -heterogeneous -mpi-threads -pbs -romio -threads" 3,479 kB [0]
> [ebuild  N    ] sci-libs/gmsh-2.4.2  USE="X jpeg mpi png zlib -blas
> -cgns -chaco -doc -examples -med -metis -opencascade" 0 kB [1]
> [blocks B     ] sys-cluster/openmpi ("sys-cluster/openmpi" is blocking
> sys-cluster/mpich2-1.0.8)
> [blocks B     ] sys-cluster/mpich2 ("sys-cluster/mpich2" is blocking
> sys-cluster/openmpi-1.2.9)
>
>
Boost deps upon || ( >=sys-cluster/openmpi-1.2.9[cxx]
sys-cluster/mpich2[cxx,threads] ) so if you have cxx or threads disabled it
will favour openmpi raising block with the other package.

-- 
Pozdrawiam,
Łukasz Michalik