return s
	}
	return fmt.Sprintf("/*line :%d:%d*/%s", p.Line, p.Column, s)
}

// checkGCCBaseCmd returns the start of the compiler command line.
// It uses $CC if set, or else $GCC, or else the compiler recorded
// during the initial build as defaultCC.
// defaultCC is defined in zdefaultcc.go, written by cmd/dist.
//
// The compiler command line is split into arguments on whitespace. Quotes