diff -ru gnunet-gtk.orig/configure.ac gnunet-gtk/configure.ac
--- gnunet-gtk.orig/configure.ac	2011-02-13 12:58:55.210001905 +0300
+++ gnunet-gtk/configure.ac	2011-02-13 12:59:24.060001905 +0300
@@ -219,7 +219,7 @@
     LDFLAGS="-L/usr/lib $LDFLAGS"
     CPPFLAGS="-I/usr/include $CPPFLAGS"
     AC_CHECK_HEADERS([gnunet/platform.h gnunet/gnunet_util_lib.h],
-     AC_CHECK_LIB([gnunet/gnunet_util_lib.h], [GNUNET_xfree_],
+     AC_CHECK_LIB([gnunetutil], [GNUNET_xfree_],
       gnunet=1))])
 
 # if GNUnet was not found, try in /usr/local