warn if multile -o option is given

2015-05-10 10:13:35 +03:00
parent 87a0109604
commit c497f9c82c
1 changed files with 4 additions and 0 deletions
--- a/libtcc.c
+++ b/libtcc.c
@ -1936,6 +1936,10 @@ PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv)
            s->option_m = tcc_strdup(optarg);
            break;
        case TCC_OPTION_o:
+            if (s->outfile) {
+                tcc_warning("multiple -o option");
+                tcc_free(s->outfile);
+            }
            s->outfile = tcc_strdup(optarg);
            break;
        case TCC_OPTION_r: