From b028588bcfde9f540fc543772d9341a747f64e38 Mon Sep 17 00:00:00 2001
From: Eric Blake <ebb9@byu.net>
Date: Fri, 9 Jun 2006 03:07:16 +0000
Subject: * configure.ac (changeword): Work even when changeword is not a
 macro. (AC_PROG_AWK, AC_PROG_INSTALL, AC_PROG_MAKE_SET, AC_HEADER_STDC):
 Delete; now done by automake. (AC_ISC_POSIX, AC_C_CONST): Delete; now
 obsolete.

---
 configure.ac | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 7ef1ac71..55de5f1a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -28,20 +28,14 @@ m4_pattern_forbid([^M4_])
 AC_CONFIG_SRCDIR([src/m4.h])
 AC_CONFIG_HEADERS([config.h:config-h.in])
 
-AC_PROG_AWK
 AC_PROG_CC
-AC_PROG_INSTALL
-AC_PROG_MAKE_SET
 AC_PROG_RANLIB
 
 AC_AIX
-AC_ISC_POSIX
 AC_MINIX
-AC_C_CONST
 
 AC_CHECK_HEADERS([limits.h memory.h siginfo.h string.h unistd.h])
 AC_CHECK_HEADERS([signal.h sys/signal.h], [break])
-AC_HEADER_STDC
 AC_TYPE_SIGNAL
 AC_TYPE_SIZE_T
 
@@ -101,7 +95,7 @@ fi
 
 dnl Don't let changeword get in our way, if bootstrapping with a version of
 dnl m4 that already turned the feature on.
-m4_undefine([changeword])dnl
+m4_ifdef([changeword], [m4_undefine([changeword])])dnl
 
 AC_MSG_CHECKING([[if changeword is wanted]])
 AC_ARG_ENABLE([changeword],
-- 
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