diff -r 000000000000 -r 6474c204b198 memory/mozjemalloc/moz.build
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/memory/mozjemalloc/moz.build	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,38 @@
+# -*- 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 += [
+    'jemalloc_types.h',
+]
+
+if not CONFIG['MOZ_JEMALLOC3']:
+    SOURCES += [
+        'jemalloc.c',
+    ]
+    LIBRARY_NAME = 'jemalloc'
+    FORCE_STATIC_LIB = True
+
+# For non release/esr builds, enable (some) fatal jemalloc assertions.  This
+# helps us catch memory errors.
+if CONFIG['MOZ_UPDATE_CHANNEL'] not in ('release', 'esr'):
+    DEFINES['MOZ_JEMALLOC_HARD_ASSERTS'] = True
+
+DEFINES['abort'] = 'moz_abort'
+
+if CONFIG['MOZ_REPLACE_MALLOC']:
+    DEFINES['MOZ_REPLACE_MALLOC'] = True
+
+DEFINES['MOZ_JEMALLOC_IMPL'] = True
+
+#XXX: PGO on Linux causes problems here
+# See bug 419470
+if CONFIG['OS_TARGET'] == 'Linux':
+    NO_PGO = True
+
+LOCAL_INCLUDES += [
+    '/memory/build',
+]
+