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FindMPI: Trust mpicc -showme on BlueGene/L 

Do not hard-code known BlueGene/L MPI libraries.  We do not know their
location so the linker cannot find them without the proper -L search
path.  The MPI compiler tells us about the libraries anyway, and if it
does not then the user can fix the problem locally by editing the
MPI_EXTRA_LIBRARY cache entry.
This commit is contained in:
Brad King 2010-06-28 11:42:34 -04:00
parent f9116d0225
commit cea9389cc9
1 changed files with 0 additions and 6 deletions
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6
Modules/FindMPI.cmake
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@ -332,12 +332,6 @@ else (MPI_COMPILE_CMDLINE)
set(MPI_LINK_FLAGS "" CACHE STRING "MPI linking flags") set(MPI_LINK_FLAGS "" CACHE STRING "MPI linking flags")
endif (MPI_INCLUDE_PATH AND MPI_LIBRARY) endif (MPI_INCLUDE_PATH AND MPI_LIBRARY)
# on BlueGene/L the MPI lib is named libmpich.rts.a, there also these additional libs are required
if("${MPI_LIBRARY}" MATCHES "mpich.rts")
set(MPI_EXTRA_LIBRARY ${MPI_EXTRA_LIBRARY} msglayer.rts devices.rts rts.rts devices.rts)
set(MPI_LIBRARY ${MPI_LIBRARY} msglayer.rts devices.rts rts.rts devices.rts)
endif("${MPI_LIBRARY}" MATCHES "mpich.rts")
# Set up extra variables to conform to # Set up extra variables to conform to
if (MPI_EXTRA_LIBRARY) if (MPI_EXTRA_LIBRARY)
set(MPI_LIBRARIES ${MPI_LIBRARY} ${MPI_EXTRA_LIBRARY}) set(MPI_LIBRARIES ${MPI_LIBRARY} ${MPI_EXTRA_LIBRARY})