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FindMPI: Fix libname regex to not match the compiler executable

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When trying to match full path libraries on the mpicc link line, the
current regex is not strict enough and improperly matches a partial path
to the Xcode compiler path with homebrew mpich.  This adjusts the regex
to look for a space preceeding the library name to prevent the first
argument, i.e. the compiler invocation, from being matched, and require
either a space or end-pattern after the library to prevent mismatches with
arguments that contain the library suffix but don't actually end with it.
This commit is contained in:
Chuck Atkins 2018-04-11 16:51:11 -04:00
parent 4984d8433e
commit bab4bc5f32
1 changed files with 9 additions and 6 deletions
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15
Modules/FindMPI.cmake
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@ -352,6 +352,9 @@ function (_MPI_check_compiler LANG QUERY_FLAG OUTPUT_VARIABLE RESULT_VARIABLE)
# Ensure that no error output might be passed upwards.
if(NOT WRAPPER_RETURN EQUAL 0)
unset(WRAPPER_OUTPUT)
else()
# Strip leading whitespace
string(REGEX REPLACE "^ +" "" WRAPPER_OUTPUT "${WRAPPER_OUTPUT}")
endif()
set(${OUTPUT_VARIABLE} "${WRAPPER_OUTPUT}" PARENT_SCOPE)
set(${RESULT_VARIABLE} "${WRAPPER_RETURN}" PARENT_SCOPE)
@ -715,20 +718,20 @@ function (_MPI_interrogate_compiler LANG)
# or shared libraries if there aren't any import libraries in use on the system.
# Note that we do not consider CMAKE_<TYPE>_LIBRARY_PREFIX intentionally here: The linker will for a given file
# decide how to link it based on file type, not based on a prefix like 'lib'.
set(_MPI_LIB_NAME_REGEX "[^\" ]+${CMAKE_STATIC_LIBRARY_SUFFIX}|\"[^\"]+${CMAKE_STATIC_LIBRARY_SUFFIX}\"")
set(_MPI_LIB_SUFFIX_REGEX "${CMAKE_STATIC_LIBRARY_SUFFIX}")
if(DEFINED CMAKE_IMPORT_LIBRARY_SUFFIX)
if(NOT ("${CMAKE_IMPORT_LIBRARY_SUFFIX}" STREQUAL "${CMAKE_STATIC_LIBRARY_SUFFIX}"))
string(APPEND _MPI_LIB_NAME_REGEX "[^\" ]+${CMAKE_IMPORT_LIBRARY_SUFFIX}|\"[^\"]+${CMAKE_IMPORT_LIBRARY_SUFFIX}\"")
string(APPEND _MPI_SUFFIX_REGEX "|${CMAKE_IMPORT_LIBRARY_SUFFIX}")
endif()
else()
string(APPEND _MPI_LIB_NAME_REGEX "[^\" ]+${CMAKE_SHARED_LIBRARY_SUFFIX}|\"[^\"]+${CMAKE_SHARED_LIBRARY_SUFFIX}\"")
string(APPEND _MPI_LIB_SUFFIX_REGEX "|${CMAKE_SHARED_LIBRARY_SUFFIX}")
endif()
set(_MPI_LIB_NAME_REGEX "(([^\" ]+(${_MPI_LIB_SUFFIX_REGEX}))|(\"[^\"]+(${_MPI_LIB_SUFFIX_REGEX})\"))( +|$)")
string(REPLACE "." "\\." _MPI_LIB_NAME_REGEX "${_MPI_LIB_NAME_REGEX}")
string(REGEX MATCHALL "(^| )(${_MPI_LIB_NAME_REGEX})" MPI_LIBNAMES "${MPI_LINK_CMDLINE}")
string(REGEX MATCHALL "${_MPI_LIB_NAME_REGEX}" MPI_LIBNAMES "${MPI_LINK_CMDLINE}")
foreach(_MPI_LIB_NAME IN LISTS MPI_LIBNAMES)
string(REGEX REPLACE "^ " "" _MPI_LIB_NAME "${_MPI_LIB_NAME}")
string(REPLACE "\"" "" _MPI_LIB_NAME "${_MPI_LIB_NAME}")
string(REGEX REPLACE "^ +\"?|\"? +$" "" _MPI_LIB_NAME "${_MPI_LIB_NAME}")
get_filename_component(_MPI_LIB_PATH "${_MPI_LIB_NAME}" DIRECTORY)
if(NOT "${_MPI_LIB_PATH}" STREQUAL "")
list(APPEND MPI_LIB_FULLPATHS_WORK "${_MPI_LIB_NAME}")