opts->warn_stringify = 1;
else if (!strcmp (argv[i], "-Wno-traditional"))
opts->warn_stringify = 0;
+ else if (!strcmp (argv[i], "-Wundef"))
+ opts->warn_undef = 1;
+ else if (!strcmp (argv[i], "-Wno-undef"))
+ opts->warn_undef = 0;
else if (!strcmp (argv[i], "-Wimport"))
opts->warn_import = 1;
else if (!strcmp (argv[i], "-Wno-import"))