275:	GCCVERSION = $$system(gcc -dumpversion)

	system(which relaytool 2>/dev/null >/dev/null) {
		DEFINES += RELAYTOOL_JACK="'extern int libjack_is_present; extern int libjack_symbol_is_present(char *s);'"
	} else {
		DEFINES += RELAYTOOL_JACK="'static const int libjack_is_present=1; static int __attribute__((unused)) libjack_symbol_is_present(char *m) { return 1; }'"
	}

	contains(GCCVERSION, [45].[012345].[012345] ) {