add a symlink so that we can still include like freetype/freetype.h.

component/freetype/buildout.cfg

@@ -16,9 +16,12 @@ url = http://download.savannah.gnu.org/releases/freetype/freetype-2.5.2.tar.bz2
 md5sum = 10e8f4d6a019b124088d18bc26123a25
 depends =
   ${libpng:so_version}
+location = ${buildout:parts-directory}/${:_buildout_section_name_}
 configure-options =
   --disable-static
 environment =
   CPPFLAGS=-I${bzip2:location}/include -I${zlib:location}/include
   LDFLAGS=-L${bzip2:location}/lib -Wl,-rpath=${bzip2:location}/lib -L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib
   PATH=${libpng:location}/bin:%(PATH)s
+make-targets =
+  install && ln -s . ${:location}/include/freetype2/freetype