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| author | Christian Pfeiffer <cpfeiffer@live.de> | 2018-01-30 15:51:26 (GMT) |
|---|---|---|
| committer | Christian Pfeiffer <cpfeiffer@live.de> | 2018-01-31 16:27:38 (GMT) |
| commit | 9ecbec5e01951e288a405deaba39a41a133fda0a (patch) | |
| tree | 28d9f9babb87b1fb3be16cd9af940dfff1e5f6b2 /Modules | |
| parent | 767553674ed025351c8ce6fd68511a6d28cf0c95 (diff) | |
| download | CMake-9ecbec5e01951e288a405deaba39a41a133fda0a.zip CMake-9ecbec5e01951e288a405deaba39a41a133fda0a.tar.gz CMake-9ecbec5e01951e288a405deaba39a41a133fda0a.tar.bz2 | |
FindMPI: Support for IMPI's compiler check
Intel MPI has an optional feature to check compatibility with the
compiler, given by I_MPI_CHECK_COMPILER.
This commit adds support for executing that check.
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/FindMPI.cmake | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Modules/FindMPI.cmake b/Modules/FindMPI.cmake index 3d2397d..78e1040 100644 --- a/Modules/FindMPI.cmake +++ b/Modules/FindMPI.cmake @@ -458,6 +458,33 @@ function (_MPI_interrogate_compiler LANG) _MPI_check_compiler(${LANG} "-showme" MPI_COMPILE_CMDLINE MPI_COMPILER_RETURN) endif() + if (MPI_COMPILER_RETURN EQUAL 0 AND DEFINED MPI_COMPILE_CMDLINE) + # Intel MPI can be run with -compchk or I_MPI_CHECK_COMPILER set to 1. + # In this case, -show will be prepended with a line to the compiler checker. This is a script that performs + # compatibility checks and returns a non-zero exit code together with an error if something fails. + # It has to be called as "compchk.sh <arch> <compiler>". Here, <arch> is one out of 32 (i686), 64 (ia64) or 32e (x86_64). + # The compiler is identified by filename, and can be either the MPI compiler or the underlying compiler. + # NOTE: It is vital to run this script while the environment variables are set up, otherwise it can check the wrong compiler. + if("${MPI_COMPILE_CMDLINE}" MATCHES "^([^\" ]+/compchk.sh|\"[^\"]+/compchk.sh\") +([^ ]+)") + # Now CMAKE_MATCH_1 contains the path to the compchk.sh file and CMAKE_MATCH_2 the architecture flag. + unset(COMPILER_CHECKER_OUTPUT) + execute_process( + COMMAND ${CMAKE_MATCH_1} ${CMAKE_MATCH_2} ${MPI_${LANG}_COMPILER} + OUTPUT_VARIABLE COMPILER_CHECKER_OUTPUT OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_VARIABLE COMPILER_CHECKER_OUTPUT ERROR_STRIP_TRAILING_WHITESPACE + RESULT_VARIABLE MPI_COMPILER_RETURN) + # If it returned a non-zero value, the check below will fail and cause the interrogation to be aborted. + if(NOT MPI_COMPILER_RETURN EQUAL 0) + if(NOT MPI_FIND_QUIETLY) + message(STATUS "Intel MPI compiler check failed: ${COMPILER_CHECKER_OUTPUT}") + endif() + else() + # Since the check passed, we can remove the compchk.sh script. + string(REGEX REPLACE "^([^\" ]+|\"[^\"]+\")/compchk.sh.*\n" "" MPI_COMPILE_CMDLINE "${MPI_COMPILE_CMDLINE}") + endif() + endif() + endif() + # Revert changes to the environment made previously if("${LANG}" STREQUAL "C") _MPI_env_unset_ifnot(I_MPI_CC) |