Index: setup.py
===================================================================
--- setup.py	(revision 42135)
+++ setup.py	(working copy)
@@ -318,6 +318,11 @@
         if platform in ['darwin', 'beos', 'mac']:
             math_libs = []
 
+        # On MacOS X, include the DarwinPorts directories
+        if platform == 'darwin':
+            add_dir_to_list(self.compiler.library_dirs, '/opt/local/lib')
+            add_dir_to_list(self.compiler.include_dirs, '/opt/local/include')
+
         # XXX Omitted modules: gl, pure, dl, SGI-specific modules
 
         #