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include(CheckCXXSourceCompiles)
FUNCTION(MY_CHECK_AND_SET_LINKER_FLAG flag_to_set)
# Let's avoid expensive compiler tests on Windows:
IF(WIN32)
RETURN()
ENDIF()
STRING(REGEX REPLACE "[-,= +]" "_" result "HAVE_LINK_FLAG_${flag_to_set}")
SET(SAVE_CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}")
STRING(REGEX REPLACE "^-Wno-" "-W" flag_to_check ${flag_to_set})
SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${flag_to_check})
CHECK_CXX_SOURCE_COMPILES("int main(void) { return 0; }" ${result})
SET(CMAKE_REQUIRED_LIBRARIES "${SAVE_CMAKE_REQUIRED_LIBRARIES}")
IF (${result})
FOREACH(linktype SHARED MODULE EXE)
IF(ARGN)
FOREACH(type ${ARGN})
SET(CMAKE_${linktype}_LINKER_FLAGS_${type}
"${CMAKE_${linktype}_LINKER_FLAGS_${type}} ${flag_to_set}" PARENT_SCOPE)
ENDFOREACH()
ELSE()
SET(CMAKE_${linktype}_LINKER_FLAGS
"${CMAKE_${linktype}_LINKER_FLAGS} ${flag_to_set}" PARENT_SCOPE)
ENDIF()
ENDFOREACH()
ENDIF()
ENDFUNCTION()
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