mirror/CMake
1
0
Fork 0
mirror of https://github.com/Kitware/CMake.git synced 2026-01-09 15:20:56 -06:00
Code Issues Packages Projects Releases Wiki Activity

FindOpenMP: Add support for AppleClang compiler

Browse Source 
This is possible using an external `omp` library and by passing
the flag past the compiler driver via `-Xclang -fopenmp`.

Fixes: #17775
This commit is contained in:
Henry Fredrick Schreiner
2018-03-01 12:35:38 +01:00
committed by Brad King
parent b4c539e651
commit e3cd7c1e01
1 changed files with 23 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
Modules/FindOpenMP.cmake
View File

@@ -85,6 +85,7 @@ function(_OPENMP_FLAG_CANDIDATES LANG)
set(OMP_FLAG_GNU "-fopenmp")
set(OMP_FLAG_Clang "-fopenmp=libomp" "-fopenmp=libiomp5" "-fopenmp")
set(OMP_FLAG_AppleClang "-Xclang -fopenmp")
set(OMP_FLAG_HP "+Oopenmp")
if(WIN32)
set(OMP_FLAG_Intel "-Qopenmp")
@@ -256,6 +257,28 @@ function(_OPENMP_GET_FLAGS LANG FLAG_MODE OPENMP_FLAG_VAR OPENMP_LIB_NAMES_VAR)
endif()
endif()
break()
elseif(CMAKE_${LANG}_COMPILER_ID STREQUAL "AppleClang"
AND CMAKE_${LANG}_COMPILER_VERSION VERSION_GREATER_EQUAL "7.0")
# Check for separate OpenMP library on AppleClang 7+
find_library(OpenMP_libomp_LIBRARY
NAMES omp gomp iomp5
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()
endif()
set("${OPENMP_LIB_NAMES_VAR}" "NOTFOUND" PARENT_SCOPE)
set("${OPENMP_FLAG_VAR}" "NOTFOUND" PARENT_SCOPE)