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FindMPI: Recognize `.lib` file names for specification of link libraries 

The Intel MPI compiler wrappers link against static MPI libraries simply
by listing the libraries (no `-l`).
This commit is contained in:
Dominic Meiser 2016-04-14 11:03:21 -06:00 committed by Brad King
parent c4417b0927
commit 2a99fae1cc
1 changed files with 11 additions and 0 deletions
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11
Modules/FindMPI.cmake
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@ -385,6 +385,13 @@ 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 "${MPI_LINK_CMDLINE}")
if(WIN32)
# The intel wrappers on windows link against static versions of the MPI libraries.
# The static libraries are simply listed on the command line without -l.
# For instance: " icl ... impi.lib "
string(REGEX MATCHALL "(^| )([^\" ]+)\\.lib" tmp "${MPI_LINK_CMDLINE}")
list(APPEND MPI_LIBNAMES ${tmp})
endif()
# add the compiler implicit directories because some compilers
# such as the intel compiler have libraries that show up
@ -399,6 +406,10 @@ function (interrogate_mpi_compiler lang try_libs)
# to link against in an MPI program
foreach(LIB ${MPI_LIBNAMES})
string(REGEX REPLACE "^ ?-l" "" LIB ${LIB})
if(WIN32)
string(REGEX REPLACE "\\.lib$" "" LIB ${LIB})
endif()
string(STRIP ${LIB} LIB)
# MPI_LIB is cached by find_library, but we don't want that. Clear it first.
set(MPI_LIB "MPI_LIB-NOTFOUND" CACHE FILEPATH "Cleared" FORCE)
find_library(MPI_LIB NAMES ${LIB} HINTS ${MPI_LINK_PATH})