ARGMATCH_VERIFY (exclude_keywords, exclude_flags);
+/* Some packages define ARGMATCH_DIE and ARGMATCH_DIE_DECL in <config.h>, and
+ thus must link with a definition of that function. Provide it here. */
+#ifdef ARGMATCH_DIE_DECL
+ARGMATCH_DIE_DECL { exit (1); }
+#endif
+
int
main (int argc, char **argv)
{