1 include(CheckCXXCompilerFlag) 2 include(CheckLibraryExists) 3 include(CheckSymbolExists) 4 5 # CodeGen options. 6 check_cxx_compiler_flag(-fPIC COMPILER_RT_HAS_FPIC_FLAG) 7 check_cxx_compiler_flag(-fPIE COMPILER_RT_HAS_FPIE_FLAG) 8 check_cxx_compiler_flag(-fno-builtin COMPILER_RT_HAS_FNO_BUILTIN_FLAG) 9 check_cxx_compiler_flag(-fno-exceptions COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG) 10 check_cxx_compiler_flag(-fomit-frame-pointer COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG) 11 check_cxx_compiler_flag(-funwind-tables COMPILER_RT_HAS_FUNWIND_TABLES_FLAG) 12 check_cxx_compiler_flag(-fno-stack-protector COMPILER_RT_HAS_FNO_STACK_PROTECTOR_FLAG) 13 check_cxx_compiler_flag(-fvisibility=hidden COMPILER_RT_HAS_FVISIBILITY_HIDDEN_FLAG) 14 check_cxx_compiler_flag(-fno-rtti COMPILER_RT_HAS_FNO_RTTI_FLAG) 15 check_cxx_compiler_flag(-ffreestanding COMPILER_RT_HAS_FFREESTANDING_FLAG) 16 check_cxx_compiler_flag("-Werror -fno-function-sections" COMPILER_RT_HAS_FNO_FUNCTION_SECTIONS_FLAG) 17 check_cxx_compiler_flag(-std=c++11 COMPILER_RT_HAS_STD_CXX11_FLAG) 18 check_cxx_compiler_flag(-ftls-model=initial-exec COMPILER_RT_HAS_FTLS_MODEL_INITIAL_EXEC) 19 20 check_cxx_compiler_flag(/GR COMPILER_RT_HAS_GR_FLAG) 21 check_cxx_compiler_flag(/GS COMPILER_RT_HAS_GS_FLAG) 22 check_cxx_compiler_flag(/MT COMPILER_RT_HAS_MT_FLAG) 23 check_cxx_compiler_flag(/Oy COMPILER_RT_HAS_Oy_FLAG) 24 25 # Debug info flags. 26 check_cxx_compiler_flag(-gline-tables-only COMPILER_RT_HAS_GLINE_TABLES_ONLY_FLAG) 27 check_cxx_compiler_flag(-g COMPILER_RT_HAS_G_FLAG) 28 check_cxx_compiler_flag(/Zi COMPILER_RT_HAS_Zi_FLAG) 29 30 # Warnings. 31 check_cxx_compiler_flag(-Wall COMPILER_RT_HAS_WALL_FLAG) 32 check_cxx_compiler_flag(-Werror COMPILER_RT_HAS_WERROR_FLAG) 33 check_cxx_compiler_flag("-Werror -Wframe-larger-than=512" COMPILER_RT_HAS_WFRAME_LARGER_THAN_FLAG) 34 check_cxx_compiler_flag("-Werror -Wglobal-constructors" COMPILER_RT_HAS_WGLOBAL_CONSTRUCTORS_FLAG) 35 check_cxx_compiler_flag("-Werror -Wno-c99-extensions" COMPILER_RT_HAS_WNO_C99_EXTENSIONS_FLAG) 36 check_cxx_compiler_flag("-Werror -Wno-gnu" COMPILER_RT_HAS_WNO_GNU_FLAG) 37 check_cxx_compiler_flag("-Werror -Wno-non-virtual-dtor" COMPILER_RT_HAS_WNO_NON_VIRTUAL_DTOR_FLAG) 38 check_cxx_compiler_flag("-Werror -Wno-variadic-macros" COMPILER_RT_HAS_WNO_VARIADIC_MACROS_FLAG) 39 40 check_cxx_compiler_flag(/W3 COMPILER_RT_HAS_W3_FLAG) 41 check_cxx_compiler_flag(/WX COMPILER_RT_HAS_WX_FLAG) 42 check_cxx_compiler_flag(/wd4722 COMPILER_RT_HAS_WD4722_FLAG) 43 44 # Symbols. 45 check_symbol_exists(__func__ "" COMPILER_RT_HAS_FUNC_SYMBOL) 46 47 # Libraries. 48 check_library_exists(m pow "" COMPILER_RT_HAS_LIBM) 49 check_library_exists(dl dlopen "" COMPILER_RT_HAS_LIBDL) 50 check_library_exists(pthread pthread_create "" COMPILER_RT_HAS_LIBPTHREAD) 51
