# HG changeset patch
# User Jim Meyering <jim@meyering.net>
# Date 916506071 0
# Node ID b9a0817dd5272c4c5ee7b3c69ec9fd84262535ae
# Parent  62a3a42c6f82e0cf37e56689a0bcdc8181d60370
Define ARGMATCH_DIE.

diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4
--- a/m4/jm-macros.m4
+++ b/m4/jm-macros.m4
@@ -33,4 +33,8 @@
   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.])
 ])