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FindOpenMP: Fix Finding OpenMP for LLVMFlang on Windows.

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مهدي شينون (Mehdi Chinoune)
2024-11-29 12:11:44 +01:00
parent 34360e5953
commit c3bada79cd
1 changed files with 38 additions and 0 deletions
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38
Modules/FindOpenMP.cmake
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@@ -150,6 +150,7 @@ function(_OPENMP_FLAG_CANDIDATES LANG)
set(OMP_FLAG_NVHPC "-mp")
set(OMP_FLAG_PGI "-mp")
set(OMP_FLAG_Flang "-fopenmp")
set(OMP_FLAG_LLVMFlang "-fopenmp")
set(OMP_FLAG_SunPro "-xopenmp")
set(OMP_FLAG_XL "-qsmp=omp")
# Cray compiler activate OpenMP with -h omp, which is enabled by default.
@@ -377,6 +378,43 @@ function(_OPENMP_GET_FLAGS LANG FLAG_MODE OPENMP_FLAG_VAR OPENMP_LIB_NAMES_VAR)
break()
endif()
endif()
elseif(CMAKE_${LANG}_COMPILER_ID STREQUAL "LLVMFlang" AND WIN32)
find_library(OpenMP_libomp_LIBRARY
NAMES omp
HINTS ${CMAKE_${LANG}_IMPLICIT_LINK_DIRECTORIES}
)
mark_as_advanced(OpenMP_libomp_LIBRARY)
if(OpenMP_libomp_LIBRARY)
# Try without specifying include directory first. We only want to
# explicitly add a search path if the header can't be found on the
# default header search path already.
try_compile( OpenMP_COMPILE_RESULT_${FLAG_MODE}_${OPENMP_PLAIN_FLAG}
SOURCE_FROM_VAR "${_OPENMP_TEST_SRC_NAME}" _OPENMP_TEST_SRC_CONTENT
LOG_DESCRIPTION "Trying ${LANG} OpenMP compiler with '${OpenMP_libomp_LIBRARY}'"
COMPILE_DEFINITIONS ${OPENMP_FLAG}
LINK_LIBRARIES ${OpenMP_libomp_LIBRARY}
)
if(NOT OpenMP_COMPILE_RESULT_${FLAG_MODE}_${OPENMP_PLAIN_FLAG})
find_path(OpenMP_${LANG}_INCLUDE_DIR omplib.mod)
mark_as_advanced(OpenMP_${LANG}_INCLUDE_DIR)
set(OpenMP_${LANG}_INCLUDE_DIR "${OpenMP_${LANG}_INCLUDE_DIR}" PARENT_SCOPE)
if(OpenMP_${LANG}_INCLUDE_DIR)
try_compile( OpenMP_COMPILE_RESULT_${FLAG_MODE}_${OPENMP_PLAIN_FLAG}
SOURCE_FROM_VAR "${_OPENMP_TEST_SRC_NAME}" _OPENMP_TEST_SRC_CONTENT
LOG_DESCRIPTION "Trying ${LANG} OpenMP compiler with '${OpenMP_libomp_LIBRARY}' and '${OpenMP_${LANG}_INCLUDE_DIR}'"
CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:STRING=${OpenMP_${LANG}_INCLUDE_DIR}"
COMPILE_DEFINITIONS ${OPENMP_FLAG}
LINK_LIBRARIES ${OpenMP_libomp_LIBRARY}
)
endif()
endif()
if(OpenMP_COMPILE_RESULT_${FLAG_MODE}_${OPENMP_PLAIN_FLAG})
set("${OPENMP_FLAG_VAR}" "${OPENMP_FLAG}" PARENT_SCOPE)
set("${OPENMP_LIB_NAMES_VAR}" "libomp" PARENT_SCOPE)
break()
endif()
endif()
elseif(CMAKE_${LANG}_COMPILER_ID STREQUAL "Clang" AND WIN32)
# Check for separate OpenMP library for Clang on Windows
find_library(OpenMP_libomp_LIBRARY