Define ARGMATCH_DIE.

diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4
index e56d03a42910222f3e16f510bb224770f7a3455d..c6c3df3d464afeb802a57cb69910f0cb3450b9f3 100644 (file)
--- a/m4/jm-macros.m4
+++ b/m4/jm-macros.m4
@@ -33,4 +33,8 @@ AC_DEFUN(jm_MACROS,
   AC_REQUIRE([jm_FUNC_GLIBC_UNLOCKED_IO])
   AC_REQUIRE([jm_FUNC_FNMATCH])
   AC_REPLACE_FUNCS(strcasecmp strncasecmp)
+
+  # By default, argmatch should fail calling usage (1).
+  AC_DEFINE(ARGMATCH_EXIT_FAILURE, [usage (1)],
+           [Define to the function xargmatch calls on failures.])
 ])