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Fix 2955ff3: CMake atomic check fails due to chosen compiler

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Rubidium
2024-05-02 23:30:09 +02:00
committed by rubidium42
parent fd52747faf
commit 14f745c42d
1 changed files with 4 additions and 0 deletions
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4
cmake/3rdparty/llvm/CheckAtomic.cmake vendored
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@@ -56,6 +56,8 @@ else()
check_working_cxx_atomics(HAVE_CXX_ATOMICS_WITHOUT_LIB) check_working_cxx_atomics(HAVE_CXX_ATOMICS_WITHOUT_LIB)
# If not, check if the library exists, and atomics work with it. # If not, check if the library exists, and atomics work with it.
if(NOT HAVE_CXX_ATOMICS_WITHOUT_LIB) if(NOT HAVE_CXX_ATOMICS_WITHOUT_LIB)
# check_library_exists requires the C-compiler as the atomic functions are built-in declared.
enable_language(C)
check_library_exists(atomic __atomic_fetch_add_4 "" HAVE_LIBATOMIC) check_library_exists(atomic __atomic_fetch_add_4 "" HAVE_LIBATOMIC)
if(HAVE_LIBATOMIC) if(HAVE_LIBATOMIC)
list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic") list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
@@ -77,6 +79,8 @@ else()
check_working_cxx_atomics64(HAVE_CXX_ATOMICS64_WITHOUT_LIB) check_working_cxx_atomics64(HAVE_CXX_ATOMICS64_WITHOUT_LIB)
# If not, check if the library exists, and atomics work with it. # If not, check if the library exists, and atomics work with it.
if(NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB) if(NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB)
# check_library_exists requires the C-compiler as the atomic functions are built-in declared.
enable_language(C)
check_library_exists(atomic __atomic_load_8 "" HAVE_CXX_LIBATOMICS64) check_library_exists(atomic __atomic_load_8 "" HAVE_CXX_LIBATOMICS64)
if(HAVE_CXX_LIBATOMICS64) if(HAVE_CXX_LIBATOMICS64)
list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic") list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")