diff --git a/bootstrap b/bootstrap
index 434d6e3..6e40f89 100755
--- a/bootstrap
+++ b/bootstrap
@@ -1,9 +1,9 @@
 #! /bin/sh
-# $Id: bootstrap 2005 2008-07-16 20:51:50Z sam $
+# $Id: bootstrap 3643 2009-08-25 14:23:08Z sam $
 
 # bootstrap: generic bootstrap/autogen.sh script for autotools projects
 #
-# Copyright (c) 2002-2008 Sam Hocevar <sam@zoy.org>
+# Copyright (c) 2002-2009 Sam Hocevar <sam@hocevar.net>
 #
 #    This program is free software. It comes without any warranty, to
 #    the extent permitted by applicable law. You can redistribute it
@@ -29,6 +29,7 @@ fi
 
 # Check for needed features
 auxdir="`sed -ne 's/^[ \t]*A._CONFIG_AUX_DIR *([[ ]*\([^] )]*\).*/\1/p' $conffile`"
+pkgconfig="`grep '^[ \t]*PKG_PROG_PKG_CONFIG' $conffile >/dev/null 2>&1 && echo yes || echo no`"
 libtool="`grep '^[ \t]*A._PROG_LIBTOOL' $conffile >/dev/null 2>&1 && echo yes || echo no`"
 header="`grep '^[ \t]*A._CONFIG_HEADER' $conffile >/dev/null 2>&1 && echo yes || echo no`"
 makefile="`[ -f Makefile.am ] && echo yes || echo no`"
@@ -94,6 +95,14 @@ if test "$libtool" = "yes"; then
   fi
 fi
 
+# Check for pkg-config
+if test "$pkgconfig" = "yes"; then
+  if ! pkg-config --version >/dev/null 2>&1; then
+    echo "$0: you need pkg-config"
+    exit 1
+  fi
+fi
+
 # Remove old cruft
 for x in aclocal.m4 configure config.guess config.log config.sub config.cache config.h.in config.h compile libtool.m4 ltoptions.m4 ltsugar.m4 ltversion.m4 ltmain.sh libtool ltconfig missing mkinstalldirs depcomp install-sh; do rm -f $x autotools/$x; if test -n "$auxdir"; then rm -f "$auxdir/$x"; fi; done
 rm -Rf autom4te.cache