function(test_strerror_r OUTPUT_VAR HAVE_GNU_SOURCE)
    if (DEFINED STRERROR_R_TEST_RESULT_CACHE)
        set(${OUTPUT_VAR} ${STRERROR_R_TEST_RESULT_CACHE} PARENT_SCOPE)
        message(STATUS "Check strerror_r is GNU complatable - ${STRERROR_R_TEST_RESULT_CACHE} (Cached)")
    else()
        message(STATUS "Check strerror_r is GNU complatable")
        if (HAVE_GNU_SOURCE)
            set(TMP_DEF -D_GNU_SOURCE)
        endif()
        try_compile(STRERROR_R_TEST_RESULT "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_FUNCTION_LIST_DIR}/test_strerror_r.c" COMPILE_DEFINITIONS -Werror=int-conversion ${TMP_DEF})
        set(STRERROR_R_TEST_RESULT_CACHE ${STRERROR_R_TEST_RESULT} CACHE BOOL "Is strerror_r is GNU complatable.")
        if (STRERROR_R_TEST_RESULT)
            set(${OUTPUT_VAR} 1 PARENT_SCOPE)
        else()
            unset(${OUTPUT_VAR} PARENT_SCOPE)
        endif()
        message(STATUS "Check strerror_r is GNU complatable - ${STRERROR_R_TEST_RESULT}")
    endif()
endfunction()