diff -r cd414bfbe38b -r 6936f130bba2 configure.ac
--- a/configure.ac	Thu Apr 27 14:53:23 2006 +0000
+++ b/configure.ac	Tue May 02 18:23:42 2006 +0000
@@ -70,7 +70,7 @@
   AC_MSG_RESULT([no])
 fi
 if test x"$enable_gui" != x"no"; then
-  PKG_CHECK_MODULES([GTK], [libgnomecanvasmm-2.6 >= 2.6.0])
+  PKG_CHECK_MODULES([GTK], [libgnomecanvasmm-2.6 >= 2.6.0 gtkmm-2.4 >= 2.6])
 fi
 AM_CONDITIONAL([WANT_GUI], [test x"$enable_gui" != x"no"])