--- rss_glx-0.7.4/configure.in.original	2003-02-23 12:47:26 +0200
+++ rss_glx-0.7.4/configure.in	2003-04-03 19:32:25 +0300
@@ -155,6 +155,8 @@
         AC_CHECK_LIB(MesaGLU,gluLookAt,,AC_MSG_ERROR(GLU library was not found.))
 fi
 
+AC_CHECK_LIB(Xext,XextFindDisplay)
+
 AC_ARG_WITH(configdir, [  --with-configdir        Where is xscreensaver stashing its screensaver configs?])
 
 if test "$with_configdir" != "" ; then