Thursday 21 March 2013

Wednesday 6 March 2013

CMake Linker Test Flags

Source: http://www.cmake.org/pipermail/cmake/2011-July/045525.html

If you need to test linker flags, try out this code snippet, and make sure to unset the variable or subsequent tests will fail!
 
include(CheckCCompilerFlag)
set(CMAKE_REQUIRED_FLAGS "-Wl,-z -Wl,noexecstack")
check_c_compiler_flag("" HAVE_NOEXECSTACK) #empty because we are testing a linker flag
if(HAVE_NOEXECSTACK)
    list(APPEND pascal_flags "-k-z" "-knoexecstack")
    if(NOT ${MINIMAL_FLAGS})
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
    endif()
endif()
unset(CMAKE_REQUIRED_FLAGS)




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