diff -r 000000000000 -r 6474c204b198 modules/libbz2/src/moz.build
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/libbz2/src/moz.build	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,46 @@
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+EXPORTS += [
+    'bzlib.h',
+]
+
+# Placeholder for CSRCS= conversion.
+csrcs = [
+    'blocksort.c',
+    'bzlib.c',
+    'compress.c',
+    'crctable.c',
+    'decompress.c',
+    'huffman.c',
+    'randtable.c',
+]
+
+HOST_SOURCES += csrcs
+HOST_LIBRARY_NAME = 'hostbz2'
+
+LIBRARY_NAME = 'bz2'
+
+UNIFIED_SOURCES += [
+    'blocksort.c',
+    'bzlib.c',
+    'compress.c',
+    'crctable.c',
+    'decompress.c',
+    'huffman.c',
+    'randtable.c',
+]
+
+FORCE_STATIC_LIB = True
+
+# This is defined by the bzip2-1.0.3 Makefile.  It appears to be used to
+# configure GLIBC to support large files.  This isn't something we care about
+# at this stage, since we're only interested in the streaming API, but we
+# define it here anyways for consistency.
+DEFINES['_FILE_OFFSET_BITS'] = 64
+
+if CONFIG['OS_ARCH'] == 'WINNT':
+    USE_STATIC_LIBS = True