add --enable-xlib=no not to link with system X libraries.

component/gtk-2/buildout.cfg

@@ -20,6 +20,7 @@ url = http://cairographics.org/releases/cairo-1.10.2.tar.gz
 md5sum = f101a9e88b783337b20b2e26dfd26d5f
 configure-options = 
   --enable-tee=yes
+  --enable-xlib=no
 environment = 
   PATH=${freetype:location}/bin:${pkgconfig:location}/bin:%(PATH)s
   PKG_CONFIG_PATH=${fontconfig:location}/lib/pkgconfig:${freetype:location}/lib/pkgconfig:${zlib:location}/lib/pkgconfig:${libpng:location}/lib/pkgconfig:${pixman:location}/lib/pkgconfig:${libX11:location}/lib/pkgconfig:${libXrender:location}/lib/pkgconfig