[svn r38821] hum, only do the precompiled greenlet if we are invoked

with install

--HG--
branch : trunk

py/misc/_dist.py

@@ -135,6 +135,7 @@ def set_registry_value(reg, key, value_name, value):
 def setup(pkg, **kw): 
     """ invoke distutils on a given package. 
     """
+    if 'install' in sys.argv[1:]:
         print "precompiling greenlet module" 
         try:
             x = py.magic.greenlet()