diff options
Diffstat (limited to 'Modules/FindOpenMP.cmake')
| -rw-r--r-- | Modules/FindOpenMP.cmake | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/Modules/FindOpenMP.cmake b/Modules/FindOpenMP.cmake index 7a6ca29..a4b1e1e 100644 --- a/Modules/FindOpenMP.cmake +++ b/Modules/FindOpenMP.cmake @@ -96,7 +96,7 @@ function(_OPENMP_FLAG_CANDIDATES LANG) unset(OpenMP_FLAG_CANDIDATES) set(OMP_FLAG_GNU "-fopenmp") - set(OMP_FLAG_Clang "-fopenmp=libomp" "-fopenmp=libiomp5" "-fopenmp") + set(OMP_FLAG_Clang "-fopenmp=libomp" "-fopenmp=libiomp5" "-fopenmp" "-Xclang -fopenmp") set(OMP_FLAG_AppleClang "-Xclang -fopenmp") set(OMP_FLAG_HP "+Oopenmp") if(WIN32) @@ -299,6 +299,25 @@ function(_OPENMP_GET_FLAGS LANG FLAG_MODE OPENMP_FLAG_VAR OPENMP_LIB_NAMES_VAR) 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 + NAMES libomp libgomp libiomp5 + HINTS ${CMAKE_${LANG}_IMPLICIT_LINK_DIRECTORIES} + ) + mark_as_advanced(OpenMP_libomp_LIBRARY) + if(OpenMP_libomp_LIBRARY) + try_compile( OpenMP_COMPILE_RESULT_${FLAG_MODE}_${OPENMP_PLAIN_FLAG} ${CMAKE_BINARY_DIR} ${_OPENMP_TEST_SRC} + CMAKE_FLAGS "-DCOMPILE_DEFINITIONS:STRING=${OPENMP_FLAGS_TEST}" + LINK_LIBRARIES ${CMAKE_${LANG}_VERBOSE_FLAG} ${OpenMP_libomp_LIBRARY} + OUTPUT_VARIABLE OpenMP_TRY_COMPILE_OUTPUT + ) + if(OpenMP_COMPILE_RESULT_${FLAG_MODE}_${OPENMP_PLAIN_FLAG}) + set("${OPENMP_FLAG_VAR}" "${OPENMP_FLAG}" PARENT_SCOPE) + set("${OPENMP_LIB_NAMES_VAR}" "libomp" PARENT_SCOPE) + break() + endif() + endif() else() file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "Detecting ${LANG} OpenMP failed with the following output:\n${OpenMP_TRY_COMPILE_OUTPUT}\n\n") |