1include(CheckLibraryExists) 2include(CheckCCompilerFlag) 3include(CheckCXXCompilerFlag) 4 5# Check compiler flags 6check_c_compiler_flag(-funwind-tables LIBCXXABI_HAS_FUNWIND_TABLES) 7check_cxx_compiler_flag(-fPIC LIBCXXABI_HAS_FPIC_FLAG) 8check_cxx_compiler_flag(-fno-exceptions LIBCXXABI_HAS_NO_EXCEPTIONS_FLAG) 9check_cxx_compiler_flag(-fno-rtti LIBCXXABI_HAS_NO_RTTI_FLAG) 10check_cxx_compiler_flag(-fstrict-aliasing LIBCXXABI_HAS_FSTRICT_ALIASING_FLAG) 11check_cxx_compiler_flag(-nodefaultlibs LIBCXXABI_HAS_NODEFAULTLIBS_FLAG) 12check_cxx_compiler_flag(-nostdinc++ LIBCXXABI_HAS_NOSTDINCXX_FLAG) 13check_cxx_compiler_flag(-Wall LIBCXXABI_HAS_WALL_FLAG) 14check_cxx_compiler_flag(-W LIBCXXABI_HAS_W_FLAG) 15check_cxx_compiler_flag(-Wno-unused-function LIBCXXABI_HAS_WNO_UNUSED_FUNCTION_FLAG) 16check_cxx_compiler_flag(-Wunused-variable LIBCXXABI_HAS_WUNUSED_VARIABLE_FLAG) 17check_cxx_compiler_flag(-Wunused-parameter LIBCXXABI_HAS_WUNUSED_PARAMETER_FLAG) 18check_cxx_compiler_flag(-Wstrict-aliasing LIBCXXABI_HAS_WSTRICT_ALIASING_FLAG) 19check_cxx_compiler_flag(-Wstrict-overflow LIBCXXABI_HAS_WSTRICT_OVERFLOW_FLAG) 20check_cxx_compiler_flag(-Wwrite-strings LIBCXXABI_HAS_WWRITE_STRINGS_FLAG) 21check_cxx_compiler_flag(-Wchar-subscripts LIBCXXABI_HAS_WCHAR_SUBSCRIPTS_FLAG) 22check_cxx_compiler_flag(-Wmismatched-tags LIBCXXABI_HAS_WMISMATCHED_TAGS_FLAG) 23check_cxx_compiler_flag(-Wmissing-braces LIBCXXABI_HAS_WMISSING_BRACES_FLAG) 24check_cxx_compiler_flag(-Wshorten-64-to-32 LIBCXXABI_HAS_WSHORTEN_64_TO_32_FLAG) 25check_cxx_compiler_flag(-Wsign-conversion LIBCXXABI_HAS_WSIGN_CONVERSION_FLAG) 26check_cxx_compiler_flag(-Wsign-compare LIBCXXABI_HAS_WSIGN_COMPARE_FLAG) 27check_cxx_compiler_flag(-Wshadow LIBCXXABI_HAS_WSHADOW_FLAG) 28check_cxx_compiler_flag(-Wconversion LIBCXXABI_HAS_WCONVERSION_FLAG) 29check_cxx_compiler_flag(-Wnewline-eof LIBCXXABI_HAS_WNEWLINE_EOF_FLAG) 30check_cxx_compiler_flag(-Wundef LIBCXXABI_HAS_WUNDEF_FLAG) 31check_cxx_compiler_flag(-pedantic LIBCXXABI_HAS_PEDANTIC_FLAG) 32check_cxx_compiler_flag(-Werror LIBCXXABI_HAS_WERROR_FLAG) 33check_cxx_compiler_flag(-Wno-error LIBCXXABI_HAS_WNO_ERROR_FLAG) 34check_cxx_compiler_flag(/WX LIBCXXABI_HAS_WX_FLAG) 35check_cxx_compiler_flag(/WX- LIBCXXABI_HAS_NO_WX_FLAG) 36check_cxx_compiler_flag(/EHsc LIBCXXABI_HAS_EHSC_FLAG) 37check_cxx_compiler_flag(/EHs- LIBCXXABI_HAS_NO_EHS_FLAG) 38check_cxx_compiler_flag(/EHa- LIBCXXABI_HAS_NO_EHA_FLAG) 39check_cxx_compiler_flag(/GR- LIBCXXABI_HAS_NO_GR_FLAG) 40check_cxx_compiler_flag(-std=c++11 LIBCXXABI_HAS_STD_CXX11) 41 42if(LIBCXXABI_HAS_STD_CXX11) 43 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") 44endif() 45 46# Check libraries 47check_library_exists(c fopen "" LIBCXXABI_HAS_C_LIB) 48check_library_exists(dl dladdr "" LIBCXXABI_HAS_DL_LIB) 49check_library_exists(pthread pthread_once "" LIBCXXABI_HAS_PTHREAD_LIB) 50if (NOT LIBCXXABI_USE_COMPILER_RT) 51 check_library_exists(gcc_s __gcc_personality_v0 "" LIBCXXABI_HAS_GCC_S_LIB) 52endif () 53check_library_exists(c __cxa_thread_atexit_impl "" 54 LIBCXXABI_HAS_CXA_THREAD_ATEXIT_IMPL) 55