if test x$ac_cv_enable_gui = xyes; then
AC_DEFINE([HAVE_GTK],1,[Set to 1 to enable GTK+ support for building GUI.])
AC_SUBST(GTK_CFLAGS)
if test x$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)