const char *dump_base_name;
+/* Directory used for dump output files. */
+
+const char *dump_dir_name;
+
/* Name to use as a base for auxiliary output files. */
const char *aux_base_name;
/* Ignore these. */
if (strcmp (*p, "-o") == 0
|| strcmp (*p, "-dumpbase") == 0
+ || strcmp (*p, "-dumpdir") == 0
|| strcmp (*p, "-auxbase") == 0)
{
if (p[1] != NULL)