only preserve libraries if no copy exists in the libary search path (bug #215242)

svn path=/main/trunk/; revision=9728

1 files changed, 5 insertions, 2 deletions

diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py
index 5a085f405..2f8ced89f 100644
--- a/pym/portage/dbapi/vartree.py
+++ b/pym/portage/dbapi/vartree.py
@@ -16,7 +16,7 @@ from portage.output import bold, red, green
 from portage.update import fixdbentries
 from portage.util import apply_secpass_permissions, ConfigProtect, ensure_dirs, \
 	writemsg, writemsg_stdout, write_atomic, atomic_ofstream, writedict, \
-	grabfile, grabdict, normalize_path, new_protect_filename
+	grabfile, grabdict, normalize_path, new_protect_filename, getlibpaths
 from portage.versions import pkgsplit, catpkgsplit, catsplit, best, pkgcmp
 
 from portage import listdir, dep_expand, flatten, key_expand, \
@@ -1602,7 +1602,10 @@ class dblink(object):
 
 		for lib in list(preserve_libs):
 			if not has_external_consumers(lib, old_contents, preserve_libs):
-				preserve_libs.remove(lib)						
+				preserve_libs.remove(lib)
+			for path in getlibpaths():
+				if os.path.exists(os.path.join(path, lib)):
+					preserve_libs.remove(lib)
 			
 		# get the real paths for the libs
 		preserve_paths = [x for x in old_contents if os.path.basename(x) in preserve_libs]