Fix FindMPI for the intel compiler on linux by looking in implict directories.

Use the CMAKE_<LANG>_IMPLICIT_LINK_DIRECTORIES to look for libraries
that are in the -showme output from mpi<lang> programs. This is because
some libraries reported by -showme are found there, and FindMPI will
fail if they are not found.
This commit is contained in:
Bill Hoffman 2012-03-20 15:18:53 -04:00
parent d69c2c5825
commit 2f9ad7c6e6
1 changed files with 14 additions and 0 deletions

View File

@ -354,6 +354,20 @@ function (interrogate_mpi_compiler lang try_libs)
# Extract the set of libraries to link against from the link command
# line
string(REGEX MATCHALL "(^| )-l([^\" ]+|\"[^\"]+\")" MPI_LIBNAMES "${MPI_LINK_CMDLINE}")
# add the compiler implicit directories because some compilers
# such as the intel compiler have libraries that show up
# in the showme list that can only be found in the implicit
# link directories of the compiler. Do this for C++ and C
# compilers if the implicit link directories are defined.
if (DEFINED CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES)
set(MPI_LINK_PATH
"${MPI_LINK_PATH};${CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES}")
endif ()
if (DEFINED CMAKE_C_IMPLICIT_LINK_DIRECTORIES)
set(MPI_LINK_PATH
"${MPI_LINK_PATH};${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}")
endif ()
# Determine full path names for all of the libraries that one needs
# to link against in an MPI program