component/gtk-2: build harfbuzz with icu

component/gtk-2/buildout.cfg

@@ -16,6 +16,7 @@ extends =
   ../perl/buildout.cfg
   ../pkgconfig/buildout.cfg
   ../xorg/buildout.cfg
+  ../icu/buildout.cfg
   ../xz-utils/buildout.cfg
   ../zlib/buildout.cfg
 
@@ -49,13 +50,13 @@ recipe = slapos.recipe.cmmi
 shared = true
 url = http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-0.9.35.tar.bz2
 md5sum = 531ee8650626ecddcd90b2a4637e31d4
-pkg_config_depends = ${cairo:location}/lib/pkgconfig:${cairo:pkg_config_depends}
+pkg_config_depends = ${cairo:location}/lib/pkgconfig:${cairo:pkg_config_depends}:${icu4c:location}/lib/pkgconfig
 configure-options =
   --disable-static
   --disable-gtk-doc-html
   --with-cairo
   --with-freetype
-  --without-icu
+  --with-icu
 environment =
   PATH=${glib:location}/bin:${freetype:location}/bin:${pkgconfig:location}/bin:%(PATH)s
   PKG_CONFIG_PATH=${:pkg_config_depends}