+AC_ARG_ENABLE(gui,
+ [ --enable-gui Enable building the GUI (default=yes)],
+ [ac_cv_enable_gui=$enableval], [ac_cv_enable_gui=yes])
+AC_MSG_CHECKING([whether to build GUI])
+if test x$ac_cv_enable_gui = xyes; then
+ AC_MSG_RESULT(yes)
+ PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.4.0, CFLAGS="${CFLAGS} -DGDK_PIXBUF_DISABLE_DEPRECATED -DGDK_DISABLE_DEPRECATED -DGTK_DISABLE_DEPRECATED", dnl
+ ac_cv_enable_gui=no)
+
+ if test x$ac_cv_enable_gui = xyes; then
+ AC_DEFINE([HAVE_GTK],1,[Set to 1 to enable GTK+ support for building GUI.])
+ AC_SUBST(GTK_CFLAGS)
+ AC_SUBST(GTK_LIBS)
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+
+AM_CONDITIONAL([USE_GTK], [test x${ac_cv_enable_gui} = xyes])