diff -r 000000000000 -r 6474c204b198 toolkit/mozapps/installer/strip.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/mozapps/installer/strip.py	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,23 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+'''
+Strip all files that can be stripped in the given directory.
+'''
+
+import sys
+from mozpack.files import FileFinder
+from mozpack.copier import FileCopier
+
+def strip(dir):
+    copier = FileCopier()
+    # The FileFinder will give use ExecutableFile instances for files
+    # that can be stripped, and copying ExecutableFiles defaults to
+    # stripping them unless buildconfig.substs['PKG_SKIP_STRIP'] is set.
+    for p, f in FileFinder(dir):
+        copier.add(p, f)
+    copier.copy(dir)
+
+if __name__ == '__main__':
+    strip(sys.argv[1])