diff -ur cl-png-0.4.orig/zlib-from-cl-pdf.cl cl-png-0.4/zlib-from-cl-pdf.cl
--- cl-png-0.4.orig/zlib-from-cl-pdf.cl	2004-03-06 22:44:17.000000000 -0600
+++ cl-png-0.4/zlib-from-cl-pdf.cl	2006-10-15 23:08:17.000000000 -0500
@@ -19,7 +19,7 @@
 ;; won't load the compiled file.  Putting it in an eval-when in
 ;; config.lisp doesn't work either.
 
-(defvar *zlib-search-paths* '("/usr/local/lib/" "/usr/lib/")
+(defvar *zlib-search-paths* '("/lib/")
   "The paths where to search the zlib shared library")
 
 (defparameter *zlib-path*