Accept -gdb option

mach/sparc/ce_cg/convert.c

@@ -29,6 +29,7 @@ char *filename;			/* Name of input file */
 char *out_file;			/* Name of output file */
 int errors;			/* Number of errors */
 int debug;
+int __gdb_flag;
 extern char *C_error;
 
 main(argc,argv)
@@ -49,6 +50,10 @@ main(argc,argv)
 			debug= 1;
 			continue;
 		}
+		if (! strcmp(av[0], "-gdb")) {
+			__gdb_flag = 1;
+			continue;
+		}
 		if (!filename)
 		{
 			if (strcmp(*av, "-"))