From: Zac Medico <zmedico@gentoo.org>
Date: Wed, 20 Jul 2011 08:04:00 +0000 (-0700)
Subject: Optimize LinkageMapELF.findConsumers().
X-Git-Tag: v2.2.0_alpha47~11
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=63c49337e2f56aa18e495396eb6b8d3d4a7d7e3a;p=portage.git

Optimize LinkageMapELF.findConsumers().

If there are no non-excluded providers then there's no need to search
for satisfied consumers.
---

diff --git a/pym/portage/util/_dyn_libs/LinkageMapELF.py b/pym/portage/util/_dyn_libs/LinkageMapELF.py
index 05043d708..218ce2a65 100644
--- a/pym/portage/util/_dyn_libs/LinkageMapELF.py
+++ b/pym/portage/util/_dyn_libs/LinkageMapELF.py
@@ -710,13 +710,14 @@ class LinkageMapELF(object):
 							relevant_dir_keys.add(
 								self._path_key(os.path.dirname(p)))
 
-				for consumer_key in soname_node.consumers:
-					_arch, _needed, path, _soname, _consumer_objs = \
-						self._obj_properties[consumer_key]
-					path_keys = defpath_keys.copy()
-					path_keys.update(self._path_key(x) for x in path)
-					if relevant_dir_keys.intersection(path_keys):
-						satisfied_consumer_keys.add(consumer_key)
+				if relevant_dir_keys:
+					for consumer_key in soname_node.consumers:
+						_arch, _needed, path, _soname, _consumer_objs = \
+							self._obj_properties[consumer_key]
+						path_keys = defpath_keys.copy()
+						path_keys.update(self._path_key(x) for x in path)
+						if relevant_dir_keys.intersection(path_keys):
+							satisfied_consumer_keys.add(consumer_key)
 
 		rValue = set()
 		if soname_node is not None: