[AC_DEFINE(HAVE_GTK, 1, [Define if GTK is available]) have_gtk=yes], have_gtk=no)
AC_SUBST(GTK_CFLAGS)
AC_SUBST(GTK_LIBS)
if test "x$have_gtk" = xno -a "x$enable_gtk" = xyes; then
[AC_DEFINE(HAVE_GTK, 1, [Define if GTK is available]) have_gtk=yes], have_gtk=no)
AC_SUBST(GTK_CFLAGS)
AC_SUBST(GTK_LIBS)
if test "x$have_gtk" = xno -a "x$enable_gtk" = xyes; then