libSDL2pp/cmake/AppendCXXFlagIfSupported.cmake
2015-09-17 16:49:51 +03:00

16 lines
513 B
CMake

INCLUDE(CheckCXXCompilerFlag)
MACRO(APPEND_CXX_FLAG_IF_SUPPORTED FLAG VARIABLE)
UNSET(HAS_FLAG CACHE)
SET(SAVED_CMAKE_REQUIRED_QUIET ${CMAKE_REQUIRED_QUIET})
SET(CMAKE_REQUIRED_QUIET YES)
CHECK_CXX_COMPILER_FLAG(${FLAG} HAS_FLAG)
SET(CMAKE_REQUIRED_QUIET ${SAVED_CMAKE_REQUIRED_QUIET})
IF(HAS_FLAG)
SET(${VARIABLE} "${${VARIABLE}} ${FLAG}")
MESSAGE(STATUS "Checking for ${FLAG}: yes")
ELSE(HAS_FLAG)
MESSAGE(STATUS "Checking for ${FLAG}: no")
ENDIF(HAS_FLAG)
ENDMACRO(APPEND_CXX_FLAG_IF_SUPPORTED)