diff -u autoconf-2.64/debian/control autoconf-2.64/debian/control
--- autoconf-2.64/debian/control
+++ autoconf-2.64/debian/control
@@ -1,7 +1,8 @@
 Source: autoconf
 Section: devel
 Priority: optional
-Maintainer: Ben Pfaff <pfaffben@debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Ben Pfaff <pfaffben@debian.org>
 Standards-Version: 3.7.2
 Build-Depends-Indep: texinfo (>= 4.6), m4 (>= 1.4.13), help2man
 Build-Depends: debhelper (>= 4)
diff -u autoconf-2.64/debian/changelog autoconf-2.64/debian/changelog
--- autoconf-2.64/debian/changelog
+++ autoconf-2.64/debian/changelog
@@ -1,3 +1,14 @@
+autoconf (2.64-4ubuntu1) lucid; urgency=low
+
+  * Merge from debian testing, remaining changes: LP: #478334
+    - bin/autoreconf.in: Check whether libtoolize supports --install, if it
+      does, libtoolize is safe to run at all times since it will not install
+      new files unless --install is passed to it as well.
+  * Fix autoconf requires m4 LP: #459422
+  * Fix autoconf suggests installing autobook LP: #372701
+
+ -- Bhavani Shankar <right2bhavi@gmail.com>  Sun, 08 Nov 2009 18:57:54 +0530
+
 autoconf (2.64-4) unstable; urgency=low
 
   * Add back Suggests: autoconf-archive removed in 2.64-3.  I did check
@@ -25,6 +36,15 @@
 
  -- Ben Pfaff <pfaffben@debian.org>  Mon, 17 Aug 2009 11:45:01 -0700
 
+autoconf (2.64-1ubuntu1) karmic; urgency=low
+
+  * Merge from debian unstable, remaining changes: LP: #406182
+    - bin/autoreconf.in: Check whether libtoolize supports --install, if it
+      does, libtoolize is safe to run at all times since it will not install
+      new files unless --install is passed to it as well.
+
+ -- Bhavani Shankar <right2bhavi@gmail.com>  Wed, 29 Jul 2009 11:17:05 +0530
+
 autoconf (2.64-1) unstable; urgency=low
 
   * New upstream release.
@@ -39,12 +59,30 @@
 
  -- Ben Pfaff <pfaffben@debian.org>  Mon, 27 Jul 2009 19:58:29 -0700
 
+autoconf (2.63-3ubuntu1) karmic; urgency=low
+
+  * Merge from debian unstable, remaining changes:
+    - bin/autoreconf.in: Check whether libtoolize supports --install, if it
+      does, libtoolize is safe to run at all times since it will not install
+      new files unless --install is passed to it as well.
+
+ -- Muharem Hrnjadovic <muharem@canonical.com>  Tue, 05 May 2009 11:04:08 +0200
+
 autoconf (2.63-3) unstable; urgency=low
 
   * Upload to unstable.  Closes: #501782.
 
  -- Ben Pfaff <pfaffben@debian.org>  Sat, 28 Feb 2009 13:30:10 -0800
 
+autoconf (2.63-2ubuntu1) jaunty; urgency=low
+
+  * Merge from Debian experimental, remaining changes:
+    * bin/autoreconf.in: Check whether libtoolize supports --install, if it
+      does, libtoolize is safe to run at all times since it will not install
+      new files unless --install is passed to it as well.
+
+ -- Scott James Remnant <scott@ubuntu.com>  Tue, 10 Feb 2009 11:19:19 +0000
+
 autoconf (2.63-2) experimental; urgency=low
 
   * Rebuilt with m4 1.4.11.  Closes: #506875.
@@ -69,6 +107,14 @@
 
  -- Ben Pfaff <pfaffben@debian.org>  Sat, 24 May 2008 21:41:28 -0700
 
+autoconf (2.61-7ubuntu1) intrepid; urgency=low
+
+  * bin/autoreconf.in: Check whether libtoolize supports --install, if it
+    does, libtoolize is safe to run at all times since it will not install
+    new files unless --install is passed to it as well.
+
+ -- Scott James Remnant <scott@ubuntu.com>  Wed, 23 Jul 2008 11:07:05 +0100
+
 autoconf (2.61-7) unstable; urgency=low
 
   * lib/autoconf/functions.m4: Fix AC_FUNC_MKTIME to work properly with
@@ -621,7 +667,7 @@
     Closes: #161020.
   
  -- Ben Pfaff <pfaffben@debian.org>  Tue, 17 Sep 2002 20:18:41 -0400
-  
+
 autoconf (2.53-5) unstable; urgency=low
 
   * Remove dependency on autoconf2.13.
@@ -1101 +1146,0 @@
-
only in patch2:
unchanged:
--- autoconf-2.64.orig/bin/autoreconf.in
+++ autoconf-2.64/bin/autoreconf.in
@@ -125,6 +125,8 @@
 my $aclocal_supports_force = 0;
 # Does automake support --force-missing?
 my $automake_supports_force_missing = 0;
+# Does libtoolize support --install?
+my $libtoolize_supports_install = 0;
 
 my @prepend_include;
 my @include;
@@ -185,6 +187,7 @@
 
   $aclocal_supports_force = `$aclocal --help 2>/dev/null` =~ /--force/;
   $automake_supports_force_missing = `$automake --help 2>/dev/null` =~ /--force-missing/;
+  $libtoolize_supports_install = `$libtoolize --help` =~ /--install/;
 
   # Dispatch autoreconf's option to the tools.
   # --include;
@@ -199,8 +202,9 @@
     {
       $automake   .= ' --add-missing';
       $automake   .= ' --copy' unless $symlink;
-      $libtoolize .= ' --copy' unless $symlink;
+      $libtoolize .= ' --install' if $libtoolize_supports_install;
     }
+  $libtoolize .= ' --copy' unless $symlink;
   # --force;
   if ($force)
     {
@@ -528,7 +532,7 @@
     {
       verb "$configure_ac: not using Libtool";
     }
-  elsif ($install)
+  elsif ($install || $libtoolize_supports_install)
     {
       if ($uses_libltdl)
 	{