fi
AM_CONDITIONAL([BUILD_LBXIMG], [test x"$have_libpng" = x"yes"])
-# A horrible combination of bugs makes this necessary for GTK+ detection.
-unset POSIXLY_CORRECT
-
-AM_PATH_GTK_2_0([2.16.0], [have_gtk=yes], [have_gtk=no])
+AC_ARG_ENABLE([lbxgui],
+ [AS_HELP_STRING([--enable-lbxgui],
+ [build the lbxgui tool (requires GTK+) [default=auto]])],
+ [enable_lbxgui=$enableval],
+ [enable_lbxgui=auto])
+
+have_gtk=no
+if test x"$enable_lbxgui" = x"auto"; then
+DX_CHECK_GTK2([2.16], [have_gtk=yes], [have_gtk=no])
+fi
+if test x"$enable_lbxgui" = x"yes"; then
+DX_CHECK_GTK2([2.16], [have_gtk=yes])
+fi
AM_CONDITIONAL([BUILD_LBXGUI], [test x"$have_gtk" = x"yes"])
AC_CONFIG_FILES([