tosihisa

#!/usr/bin/gawk -f
#http://gcc.gnu.org/onlinedocs/gcc/Overall-Options.html
BEGIN {
	gcc_cmd="gcc -Q --help=warnings,^joined,^undocumented";
	w_lv[0] = "";
	w_lv[1] = "-Wall";
	w_lv[2] = "-Wall -Wextra";

	for(i = 0;i < 3;i++){
		cmdln = sprintf("%s %s",gcc_cmd,w_lv[i]);