--- Python-3.0.1.orig/setup.py	2009-02-10 17:25:06.000000000 +0100
+++ Python-3.0.1/setup.py	2009-03-01 22:13:24.000000000 +0100
@@ -1040,6 +1040,15 @@
                 )
             libraries = []
 
+        elif platform.startswith('netbsd'):
+            macros = dict(                  # at least NetBSD 5
+                HAVE_SEM_OPEN=1,
+                HAVE_SEM_TIMEDWAIT=0,
+                HAVE_FD_TRANSFER=1,
+                HAVE_BROKEN_SEM_GETVALUE=1
+                )
+            libraries = []
+
         else:                                   # Linux and other unices
             macros = dict(
                 HAVE_SEM_OPEN=1,