check_c_source_compiles ("int main () {
                                        #if (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)) || \\\\
                                            (defined(__SUNPRO_CC) && (__SUNPRO_CC >= 0x5110))
                                        return 0;
                                        #else
                                        stop_compile_here
                                        #endif
                                 }"
                                 PLIBSYS_HAS_SUN_VISIBILITY
        )