diff options
Diffstat (limited to 'openmp/runtime/test/CMakeLists.txt')
| -rw-r--r-- | openmp/runtime/test/CMakeLists.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/openmp/runtime/test/CMakeLists.txt b/openmp/runtime/test/CMakeLists.txt index 8162855163d..88c02c873f4 100644 --- a/openmp/runtime/test/CMakeLists.txt +++ b/openmp/runtime/test/CMakeLists.txt @@ -1,6 +1,7 @@ # CMakeLists.txt file for unit testing OpenMP Library include(FindPythonInterp) include(CheckTypeSize) +include(CheckFunctionExists) include(CheckLibraryExists) if(NOT PYTHONINTERP_FOUND) @@ -11,6 +12,17 @@ endif() # Some tests use math functions check_library_exists(m sqrt "" LIBOMP_HAVE_LIBM) +# When using libgcc, -latomic may be needed for atomics +# (but when using compiler-rt, the atomics will be built-in) +# Note: we can not check for __atomic_load because clang treats it +# as special built-in and that breaks CMake checks +check_function_exists(__atomic_load_1 LIBOMP_HAVE_BUILTIN_ATOMIC) +if(NOT LIBOMP_HAVE_BUILTIN_ATOMIC) + check_library_exists(atomic __atomic_load_1 "" LIBOMP_HAVE_LIBATOMIC) +else() + # not needed + set(LIBOMP_HAVE_LIBATOMIC 0) +endif() macro(pythonize_bool var) if (${var}) @@ -25,6 +37,7 @@ pythonize_bool(LIBOMP_OMPT_SUPPORT) pythonize_bool(LIBOMP_OMPT_BLAME) pythonize_bool(LIBOMP_OMPT_TRACE) pythonize_bool(LIBOMP_HAVE_LIBM) +pythonize_bool(LIBOMP_HAVE_LIBATOMIC) set(LIBOMP_TEST_CFLAGS "" CACHE STRING "Extra compiler flags to send to the test compiler") |
