diff options
Diffstat (limited to 'current/sources/cxx-stl/llvm-libc++abi/cmake/Modules/HandleCompilerRT.cmake')
-rw-r--r-- | current/sources/cxx-stl/llvm-libc++abi/cmake/Modules/HandleCompilerRT.cmake | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/current/sources/cxx-stl/llvm-libc++abi/cmake/Modules/HandleCompilerRT.cmake b/current/sources/cxx-stl/llvm-libc++abi/cmake/Modules/HandleCompilerRT.cmake new file mode 100644 index 000000000..1f953276d --- /dev/null +++ b/current/sources/cxx-stl/llvm-libc++abi/cmake/Modules/HandleCompilerRT.cmake @@ -0,0 +1,64 @@ +function(find_compiler_rt_library name dest) + if (NOT DEFINED LIBCXXABI_COMPILE_FLAGS) + message(FATAL_ERROR "LIBCXXABI_COMPILE_FLAGS must be defined when using this function") + endif() + set(dest "" PARENT_SCOPE) + set(CLANG_COMMAND ${CMAKE_CXX_COMPILER} ${LIBCXXABI_COMPILE_FLAGS} + "--rtlib=compiler-rt" "--print-libgcc-file-name") + if (CMAKE_CXX_COMPILER_ID MATCHES Clang AND CMAKE_CXX_COMPILER_TARGET) + list(APPEND CLANG_COMMAND "--target=${CMAKE_CXX_COMPILER_TARGET}") + endif() + get_property(LIBCXXABI_CXX_FLAGS CACHE CMAKE_CXX_FLAGS PROPERTY VALUE) + string(REPLACE " " ";" LIBCXXABI_CXX_FLAGS "${LIBCXXABI_CXX_FLAGS}") + list(APPEND CLANG_COMMAND ${LIBCXXABI_CXX_FLAGS}) + execute_process( + COMMAND ${CLANG_COMMAND} + RESULT_VARIABLE HAD_ERROR + OUTPUT_VARIABLE LIBRARY_FILE + ) + string(STRIP "${LIBRARY_FILE}" LIBRARY_FILE) + file(TO_CMAKE_PATH "${LIBRARY_FILE}" LIBRARY_FILE) + string(REPLACE "builtins" "${name}" LIBRARY_FILE "${LIBRARY_FILE}") + if (NOT HAD_ERROR AND EXISTS "${LIBRARY_FILE}") + message(STATUS "Found compiler-rt library: ${LIBRARY_FILE}") + set(${dest} "${LIBRARY_FILE}" PARENT_SCOPE) + else() + message(STATUS "Failed to find compiler-rt library") + endif() +endfunction() + +function(find_compiler_rt_dir dest) + if (NOT DEFINED LIBCXXABI_COMPILE_FLAGS) + message(FATAL_ERROR "LIBCXXABI_COMPILE_FLAGS must be defined when using this function") + endif() + set(dest "" PARENT_SCOPE) + if (APPLE) + set(CLANG_COMMAND ${CMAKE_CXX_COMPILER} ${LIBCXXABI_COMPILE_FLAGS} + "-print-file-name=lib") + execute_process( + COMMAND ${CLANG_COMMAND} + RESULT_VARIABLE HAD_ERROR + OUTPUT_VARIABLE LIBRARY_DIR + ) + string(STRIP "${LIBRARY_DIR}" LIBRARY_DIR) + file(TO_CMAKE_PATH "${LIBRARY_DIR}" LIBRARY_DIR) + set(LIBRARY_DIR "${LIBRARY_DIR}/darwin") + else() + set(CLANG_COMMAND ${CMAKE_CXX_COMPILER} ${LIBCXXABI_COMPILE_FLAGS} + "--rtlib=compiler-rt" "--print-libgcc-file-name") + execute_process( + COMMAND ${CLANG_COMMAND} + RESULT_VARIABLE HAD_ERROR + OUTPUT_VARIABLE LIBRARY_FILE + ) + string(STRIP "${LIBRARY_FILE}" LIBRARY_FILE) + file(TO_CMAKE_PATH "${LIBRARY_FILE}" LIBRARY_FILE) + get_filename_component(LIBRARY_DIR "${LIBRARY_FILE}" DIRECTORY) + endif() + if (NOT HAD_ERROR AND EXISTS "${LIBRARY_DIR}") + message(STATUS "Found compiler-rt directory: ${LIBRARY_DIR}") + set(${dest} "${LIBRARY_DIR}" PARENT_SCOPE) + else() + message(STATUS "Failed to find compiler-rt directory") + endif() +endfunction() |