From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 14 Apr 2014 05:35:45 +0000 (-0700)
Subject: * autogen.sh: Use autoreconf's -f option.
X-Git-Tag: emacs-25.0.90~2640^2~232
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=6956b278cd1c1584b0dd87823a164e4cf420f6ae;p=emacs.git

* autogen.sh: Use autoreconf's -f option.

Fixes: debbugs:17258
---

diff --git a/ChangeLog b/ChangeLog
index e9836af43e4..fd544fa87b8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2014-04-14  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* autogen.sh: Use autoreconf's -f option (Bug#17258).
+
 	Clean up configure-time library handling a bit.
 	This patch was inspired by emacs-24 bzr 116961, which fixed
 	a bug due to sloppy library handling in 'configure'.
diff --git a/autogen.sh b/autogen.sh
index 6b7c647c4c5..880f21f0fe9 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -202,7 +202,8 @@ echo "Your system has the required tools, running autoreconf..."
 
 
 ## Let autoreconf figure out what, if anything, needs doing.
-autoreconf -i -I m4 || exit $?
+## Use autoreconf's -f option in case autoreconf itself has changed.
+autoreconf -f -i -I m4 || exit $?
 
 ## Create a timestamp, so that './autogen.sh; make' doesn't
 ## cause 'make' to needlessly run 'autoheader'.