diff --git a/mozilla/calendar/providers/gdata/build.mk b/mozilla/calendar/providers/gdata/build.mk
new file mode 100644
index 00000000000..5a02063dfb0
--- /dev/null
+++ b/mozilla/calendar/providers/gdata/build.mk
@@ -0,0 +1,59 @@
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is Google Calendar Provider code.
+#
+# The Initial Developer of the Original Code is
+#   Philipp Kewisch <mozilla@kewis.ch>
+# Portions created by the Initial Developer are Copyright (C) 2008
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+# This file is used to build the gdata provider without the rest of mozilla. To
+# do so, you need to use trunk and the following mozconfig:
+
+# # Options for client.mk.
+# mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/obj-gdata
+#
+# mk_add_options MOZ_CO_PROJECT="gdata"
+# mk_add_options AVAILABLE_PROJECTS="gdata"
+#
+# # Needed to keep toolkit from building (if required)
+# export LIBXUL_SDK=1
+
+# # Extra modules and files
+# mk_add_options MODULES_gdata="mozilla/config mozilla/build mozilla/probes mozilla/calendar/providers/gdata mozilla/calendar/locales/en-US/chrome/calendar/providers/gdata"
+# mk_add_options MODULES_NS_gdata="mozilla/"
+
+
+# # Options for 'configure' (same as command-line options).
+# ac_add_options --enable-application=calendar/providers/gdata
+# ac_add_options --disable-tests
+
+TIERS += app
+tier_app_dirs += calendar/providers/gdata