26 lines
880 B
CMake
26 lines
880 B
CMake
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macro(check_link_flag variable flag)
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message (STATUS "checking linker flag ${flag}")
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set (__check_linker_flag_old "${CMAKE_EXE_LINKER_FLAGS}" INTERNAL)
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set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${flag}")
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try_compile (test_check_linker_flag
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"${CMAKE_BINARY_DIR}/CMakeTmp"
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SOURCES "${CMAKE_SOURCE_DIR}/cmake/test_link_flag.cpp")
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if (test_check_linker_flag)
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message (STATUS "checking linker flag ${flag} - found")
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set (${variable} 1)
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else(test_check_linker_flag)
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message (STATUS "checking linker flag ${flag} - not found")
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set (${variable} 0)
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endif(test_check_linker_flag)
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endmacro()
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macro(append_link_flag flag)
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check_link_flag (__test_link_flag_${flag} ${flag})
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if (__test_link_flag_${flag})
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set (CMAKE_EXE_LINKER_FLAGS "${__append_link_flag_old}")
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endif()
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endmacro()
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