From: David James <davidjames@chromium.org>
Date: Tue, 10 May 2011 20:41:06 +0000 (-0700)
Subject: Strip build-time dependencies when they're ignored and we're not in --rebuild mode.
X-Git-Tag: v2.2.0_alpha33~13
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=44675153854fe54fbd3c148fab2661df80fbf7ab;p=portage.git

Strip build-time dependencies when they're ignored and we're not in --rebuild mode.

This should improve depgraph calculation performance.

TEST=Ran test suite.
BUG=chromium-os:15144

Change-Id: I9e06817201d7a17ae9b44b424d01c1a2bd89210a
---

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 22a603e81..f7ea6863d 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -1342,6 +1342,11 @@ class depgraph(object):
 				elif root_deps == "rdeps":
 					ignore_build_time_deps = True
 
+		# If rebuild mode is not enabled, it's safe to discard ignored
+		# build-time dependencies.
+		if ignore_build_time_deps and not self._rebuild.rebuild:
+			edepend["DEPEND"] = ""
+
 		deps = (
 			(depend_root, edepend["DEPEND"],
 				self._priority(buildtime=True,