Lock down to own bzip2 library.

component/fontconfig/buildout.cfg

@@ -4,6 +4,7 @@ extends =
   ../freetype/buildout.cfg
   ../libxml2/buildout.cfg
   ../pkgconfig/buildout.cfg
+  ../bzip2/buildout.cfg
   ../zlib/buildout.cfg
 
 parts =
@@ -22,5 +23,5 @@ configure-options =
 environment =
   PATH=${pkgconfig:location}/bin:%(PATH)s
   PKG_CONFIG_PATH=${libxml2:location}/lib/pkgconfig
-  CPPFLAGS=-I${zlib:location}/include
-  LDFLAGS=-L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib
+  CPPFLAGS=-I${zlib:location}/include -I${bzip2:location}/include
+  LDFLAGS=-L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib -L${bzip2:location}/lib -Wl,-rpath=${bzip2:location}/lib