[AC_MSG_ERROR([gtk+-2.x is missing or not built with X support])])
AC_CHECK_LIB([gthread-2.0], [g_thread_init], [],
[AC_MSG_ERROR([libgthread-2.0 is missing, usually provided by glib-2.x])])
-
+ AC_CHECK_LIB([gdk-x11-2.0], [gdk_window_get_state], [],
+ [AC_MSG_ERROR([gdk-x11-2.0 is missing, usually provided by gtk+-2.x])])
TINT2CONF_LIBS="${LIBS} ${PTHREAD_LIB} ${GLIB2_LIB} ${GOBJECT2_LIB} ${IMLIB2_LIBS}"
LIBS=$LIBS_SAVED