Fix build of python ports with py-setuptools when devel/pyrex is

installed.  This fix is already included in the next version of
py-setuptools.

Help from Will Maier
ok djm@ naddy@

devel/py-setuptools/Makefile

@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.6 2008/01/13 20:51:24 martynas Exp $
+# $OpenBSD: Makefile,v 1.7 2008/02/29 17:19:05 merdely Exp $
 
 COMMENT=	simplified packaging system for Python modules
 
 DISTNAME=	setuptools-0.6c7
-PKGNAME=	py-${DISTNAME}
+PKGNAME=	py-${DISTNAME}p0
 CATEGORIES=	devel
 PKG_ARCH=	*
 

devel/py-setuptools/patches/patch-setuptools_command_build_ext_py

@@ -0,0 +1,12 @@
+$OpenBSD: patch-setuptools_command_build_ext_py,v 1.1 2008/02/29 17:19:05 merdely Exp $
+--- setuptools/command/build_ext.py.orig	Thu Feb 28 17:28:13 2008
++++ setuptools/command/build_ext.py	Thu Feb 28 17:28:33 2008
+@@ -70,7 +70,7 @@ class build_ext(_build_ext):
+                 self.write_stub(package_dir or os.curdir, ext, True)
+ 
+ 
+-    if _build_ext is not _du_build_ext:
++    if _build_ext is not _du_build_ext and not hasattr(_build_ext,'pyrex_sources'):
+         # Workaround for problems using some Pyrex versions w/SWIG and/or 2.4
+         def swig_sources(self, sources, *otherargs):
+             # first do any Pyrex processing