From d0ab50f4a92f410b22f015b4f05104c4f23bc3c7 Mon Sep 17 00:00:00 2001
From: Werner Lemberg <wl@gnu.org>
Date: Sun, 27 Jan 2013 09:59:36 +0100
Subject: [PATCH] s/configure.in/configure.ac/

Future autoconf versions will no longer support `configure.in'.
---
 aclocal.m4                             | 4 ++--
 autogen.sh                             | 2 +-
 configure.in => configure.ac           | 2 +-
 smart-autogen.sh                       | 3 +--
 stepmake/stepmake/generic-targets.make | 2 +-
 5 files changed, 6 insertions(+), 7 deletions(-)
 rename configure.in => configure.ac (99%)

diff --git a/aclocal.m4 b/aclocal.m4
index 0dcd5bd870..4d5710ba9e 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,5 +1,5 @@
 dnl aclocal.m4   -*-shell-script-*-
-dnl StepMake subroutines for configure.in
+dnl StepMake subroutines for configure.ac
 
 
 ### mostly interal macros
@@ -140,7 +140,7 @@ AC_DEFUN(STEPMAKE_CHECK_VERSION_UNSUPPORTED, [
     fi
 ])
 
-### Macros to build configure.in
+### Macros to build configure.ac
 
 
 AC_DEFUN(STEPMAKE_BIBTEX2HTML, [
diff --git a/autogen.sh b/autogen.sh
index 9d21f79936..46dd22f98b 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -7,7 +7,7 @@ case $1 in
     --noconf*) NOCONFIGURE=true;;
 esac
 
-for i in $srcdir/configure.in #`find $srcdir -name configure.in -print`
+for i in $srcdir/configure.ac #`find $srcdir -name configure.ac -print`
 do 
   dir=`dirname $i`
   echo processing $dir
diff --git a/configure.in b/configure.ac
similarity index 99%
rename from configure.in
rename to configure.ac
index 954db04cad..2ae2f6cbb9 100644
--- a/configure.in
+++ b/configure.ac
@@ -1,4 +1,4 @@
-dnl configure.in   -*-shell-script-*-
+dnl configure.ac   -*-shell-script-*-
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.60)
diff --git a/smart-autogen.sh b/smart-autogen.sh
index 09d8d95a44..6f4525dac1 100755
--- a/smart-autogen.sh
+++ b/smart-autogen.sh
@@ -3,7 +3,7 @@
 srcdir=${srcdir:-.}
 set -ux
 
-AUTOGEN_INPUT_CHECKSUM=`cat $srcdir/configure.in $srcdir/aclocal.m4 | md5sum | cut -b 1-32`
+AUTOGEN_INPUT_CHECKSUM=`cat $srcdir/configure.ac $srcdir/aclocal.m4 | md5sum | cut -b 1-32`
 
 CHECKSUM_FILE=autogen.checksum
 
@@ -14,4 +14,3 @@ fi
 set -e
 ${srcdir}/autogen.sh "$@"
 printf "%s" $AUTOGEN_INPUT_CHECKSUM > $CHECKSUM_FILE
-
diff --git a/stepmake/stepmake/generic-targets.make b/stepmake/stepmake/generic-targets.make
index f216898fe8..1b998b938d 100644
--- a/stepmake/stepmake/generic-targets.make
+++ b/stepmake/stepmake/generic-targets.make
@@ -95,7 +95,7 @@ $(outdir)/version.hh: $(depth)/VERSION $(config_make) $(top-src-dir)/scripts/bui
 $(outdir)/config.hh: $(config_h)
 	cp -p $< $@
 
-configure: configure.in aclocal.m4
+configure: configure.ac aclocal.m4
 	NOCONFIGURE=yes $(src-depth)/autogen.sh
 	chmod +x configure
 
-- 
2.39.2