[svn r38808] trying to be more ignorant about missing abilities

to remove c-extension modules (they might be in
site-packages) and adding a hack to make sure
that the greenlet module gets build ahead of
the setup install.

--HG--
branch : trunk

py/misc/_dist.py

@@ -135,6 +135,12 @@ def set_registry_value(reg, key, value_name, value):
 def setup(pkg, **kw): 
     """ invoke distutils on a given package. 
     """
+    print "precompiling greenlet module" 
+    try:
+        x = py.magic.greenlet()
+    except ImportError:
+        print "could not precompile greenlet module, skipping"
+
     params = Params(pkg)
     #dump(params)
     source = getattr(pkg, '__package__', pkg)