explicitly set rpath for bzip2 otherwise dmtx-utils might be linked to system bzip2.

component/libdmtx/buildout.cfg

@@ -3,6 +3,7 @@
 
 [buildout]
 extends =
+  ../bzip2/buildout.cfg
   ../imagemagick/buildout.cfg
   ../jbigkit/buildout.cfg
   ../zlib/buildout.cfg
@@ -27,4 +28,4 @@ environment =
   PATH=${pkgconfig:location}/bin:%(PATH)s
   PKG_CONFIG_PATH=${imagemagick:location}/lib/pkgconfig:${libdmtx:location}/lib/pkgconfig
   CPPFLAGS=-I${libdmtx:location}/include
-  LDFLAGS=-Wl,-rpath=${jbigkit:location}/lib -Wl,-rpath=${zlib:location}/lib
+  LDFLAGS=-Wl,-rpath=${jbigkit:location}/lib -Wl,-rpath=${bzip2:location}/lib -Wl,-rpath=${zlib:location}/lib