From e3cd43976368856d4d7d095a7206b1a059e16803 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sat, 1 May 1999 04:13:45 +0000
Subject: [PATCH] (AC_REPLACE_FUNCS): Add dup2.

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

diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4
index 77e0df0559..702e065c2f 100644
--- a/m4/jm-macros.m4
+++ b/m4/jm-macros.m4
@@ -39,6 +39,7 @@ AC_DEFUN(jm_MACROS,
   AC_REQUIRE([jm_AFS])
   AC_REQUIRE([jm_AC_PREREQ_XSTRTOUMAX])
   AC_REPLACE_FUNCS(strcasecmp strncasecmp)
+  AC_REPLACE_FUNCS(dup2)
 
   # By default, argmatch should fail calling usage (1).
   AC_DEFINE(ARGMATCH_DIE, [usage (1)],
-- 
2.47.3