From 8d60a570d50f5446690dc02afe002e464585be90 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 22 Oct 2002 04:37:50 +0000
Subject: [PATCH] (AC_HEADER_STDBOOL): Add.

---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index c896888..1c126ff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -71,6 +71,7 @@ AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
 # Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS([ctype.h locale.h memory.h stdlib.h string.h unistd.h])
+AC_HEADER_STDBOOL
 
 # Checks for compiler characteristics.
 AC_C_INLINE
-- 
2.7.4