blob: 67fc895103e9612a7fdcf5bae94dc571088aca5d [file] [log] [blame]
# - Append compiler flag to CMAKE_C_FLAGS if compiler supports it
# ADD_C_FLAG_IF_SUPPORTED(<flag>)
# <flag> - the compiler flag to test
# This internally calls the CHECK_C_COMPILER_FLAG macro.
INCLUDE(CheckCCompilerFlag)
MACRO(ADD_C_FLAG_IF_SUPPORTED _FLAG)
STRING(TOUPPER ${_FLAG} UPCASE)
STRING(REGEX REPLACE "^-" "" UPCASE_PRETTY ${UPCASE})
CHECK_C_COMPILER_FLAG(${_FLAG} IS_${UPCASE_PRETTY}_SUPPORTED)
IF(IS_${UPCASE_PRETTY}_SUPPORTED)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_FLAG}")
ENDIF()
ENDMACRO()