--- Imaging-1.1.7.old/setup.py
+++ Imaging-1.1.7/setup.py
@@ -33,12 +33,12 @@
 #
 # TIFF_ROOT = libinclude("/opt/tiff")
 
-TCL_ROOT = None
-JPEG_ROOT = None
-ZLIB_ROOT = None
-TIFF_ROOT = None
-FREETYPE_ROOT = None
-LCMS_ROOT = None
+TCL_ROOT      = libinclude("__META_PRODTREE__/tcltk")
+JPEG_ROOT     = libinclude("__META_PRODTREE__/jpeg")
+ZLIB_ROOT     = libinclude("__META_PRODTREE__/zlib")
+TIFF_ROOT     = libinclude("__META_PRODTREE__/tiff")
+FREETYPE_ROOT = libinclude("__META_PRODTREE__/freetype2")
+LCMS_ROOT     = libinclude("__META_PRODTREE__/lcms")
 
 # FIXME: add mechanism to explicitly *disable* the use of a library
 
====== end of patch ======