Re: [Boost-users] Cannot build boost with MPI using Intel openMPI wrapper

What is the result of: $/usr/local/tools/openmpi-intel-debug-1.8.4/bin/mpicxx --showme:compile $/usr/local/tools/openmpi-intel-debug-1.8.4/bin/mpicxx --showme:link ? On 10/06/2015 11:08, Boris Schäling wrote:

On Wed, 10 Jun 2015 02:37:26 +0200, Cook, Rich wrote:

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Hello, I'm seeing this in my build output. I'm hoping someone can help me find out what the actual problem is. Thanks for any assistance.

===============MPI Auto-configuration=============== MPI auto-detection failed: unknown wrapper compiler /usr/local/tools/openmpi-intel-debug-1.8.4/bin/mpiCC Please report this error to the Boost mailing list: http://www.boost.org You will need to manually configure MPI support. MPI launcher: mpirun -np ====================================================

Here are the commands that generated it:

+ mkdir -p //usr/local/tools/boost-intel-1.57.0 + mkdir -p //usr/local/bin + pushd boost_1_57_0 /tmp/dpkg-mkdeb.1Tdcc4kqMi/src/boost_1_57_0 /tmp/dpkg-mkdeb.1Tdcc4kqMi/src + ./bootstrap.sh --prefix=/usr/local/tools/boost-intel-1.57.0 + echo 'using mpi : /usr/local/tools/openmpi-intel-debug-1.8.4/bin/mpiCC ;' >> tools/build/src/user-config.jam

+ ./b2 -j20 --debug-configuration install

It's a while ago that I was using Boost.MPI. But if auto-detection fails, you could pass MPI-related options explicitly. There is this remark in the MPI Jamfile:

# If your MPI implementation does not have a wrapper compiler, or the MPI # auto-detection code does not work with your MPI's wrapper compiler, # you can pass MPI-related options explicitly via the second parameter to the # mpi module: # # using mpi : : <find-shared-library>lammpio <find-shared-library>lammpi++ # <find-shared-library>mpi <find-shared-library>lam # <find-shared-library>dl ;

HTH, Boris

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-- --- Alain