// Otherwise, we'll need to find out from gcc.
		names = append(names, n)
	}

	// Bypass gcc if there's nothing left to find out.
	if len(names) == 0 {
		return needType
	}

	// Coerce gcc into telling us whether each name is a type, a value, or undeclared.
	// For names, find out whether they are integer constants.
	// We used to look at specific warning or error messages here, but that tied the

		// -fsplit-stack, then the linker will think that it
		// needs to adjust the split stack prologue, but there
		// won't be one. Marking the function explicitly
		// no_split_stack works around this problem by telling
		// the linker that it's OK if there is no split stack
		// prologue.
		fmt.Fprintln(fc, "static void init(void) __attribute__ ((constructor, no_split_stack));")
		fmt.Fprintln(fc, "static void init(void) {")