From d25ef06ef6a475f6e7104e817ea4153fd47b0b66 Mon Sep 17 00:00:00 2001
From: Fabian Groffen <grobian@gentoo.org>
Date: Wed, 5 Nov 2008 18:29:48 +0000
Subject: [PATCH] Make some changes to make the LinkageMapMachO more compatible
 (codewise) to LinkageMap.  It isn't necessary, since no patch lookups are
 done, as we have absolute paths as keys.

svn path=/main/branches/prefix/; revision=11811
---
 pym/portage/dbapi/vartree.py | 28 ++++++++++++++++++++--------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py
index cabf8de41..dee1b0669 100644
--- a/pym/portage/dbapi/vartree.py
+++ b/pym/portage/dbapi/vartree.py
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
-__all__ = ["PreservedLibsRegistry", "LinkageMap",
+__all__ = ["PreservedLibsRegistry", "LinkageMap", "LinkageMapMachO",
 	"vardbapi", "vartree", "dblink"] + \
 	["write_contents", "tar_contents"]
 
@@ -639,6 +639,20 @@ class LinkageMapMachO(object):
 		self._libs = {}
 		self._obj_properties = {}
 		self._obj_key_cache = {}
+		self._path_key_cache = {}
+
+	def _clear_cache(self):
+		self._libs.clear()
+		self._obj_properties.clear()
+		self._obj_key_cache.clear()
+		self._path_key_cache.clear()
+
+	def _path_key(self, path):
+		key = self._path_key_cache.get(path)
+		if key is None:
+			key = self._ObjectKey(path, self._root)
+			self._path_key_cache[path] = key
+		return key
 
 	class _ObjectKey(object):
 
@@ -710,9 +724,11 @@ class LinkageMapMachO(object):
 
 	def rebuild(self, exclude_pkgs=None, include_file=None):
 		root = self._root
-		libs = {}
-		obj_key_cache = {}
-		obj_properties = {}
+		self._clear_cache()
+		libs = self._libs
+		obj_key_cache = self._obj_key_cache
+		obj_properties = self._obj_properties
+
 		lines = []
 		for cpv in self._dbapi.cpv_all():
 			if exclude_pkgs is not None and cpv in exclude_pkgs:
@@ -772,10 +788,6 @@ class LinkageMapMachO(object):
 			obj_properties.setdefault(obj_key, \
 					(arch, needed, install_name, set()))[3].add(obj)
 		
-		self._libs = libs
-		self._obj_properties = obj_properties
-		self._obj_key_cache = obj_key_cache
-
 	def listBrokenBinaries(self, debug=False):
 		"""
 		Find binaries and their needed install_names, which have no providers.
-- 
2.26.2