--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/desktop/thunderbird/patches/firefox-21-mozconfig_loader_bash.patch	Tue Jul 19 14:15:23 2016 -0700
@@ -0,0 +1,12 @@
+This patch is needed because the default shell on Solaris has issues. 
+Still needed for ksh93 on S11 and S12.
+
+diff --git a/python/mozbuild/mozbuild/mozconfig_loader b/python/mozbuild/mozbuild/mozconfig_loader
+--- a/python/mozbuild/mozbuild/mozconfig_loader
++++ b/python/mozbuild/mozbuild/mozconfig_loader
+@@ -1,4 +1,4 @@
+-#!/bin/sh
++#!/bin/bash
+ # 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/.