From 5d81990c97d9682ee4cb605122af0c89a3965e52 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sat, 16 Jan 1999 17:01:11 +0000
Subject: [PATCH] Define ARGMATCH_DIE.

---
 m4/jm-macros.m4 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4
index e56d03a429..c6c3df3d46 100644
--- 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.])
 ])
-- 
2.30.2