--- a/dom/media/gmp/rlz/moz.build
+++ b/dom/media/gmp/rlz/moz.build
@@ -2,19 +2,20 @@
 # 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/.
 
 # Note: build rlz in its own moz.build, so it doesn't pickup any of
 # Chromium IPC's headers used in the moz.build of the parent file.
 
+Library('rlz')
+FORCE_STATIC_LIB = True
+USE_STATIC_LIBS = True
+
 UNIFIED_SOURCES += [
     'lib/string_utils.cc',
     'win/lib/machine_id_win.cc',
 ]
 
-FINAL_LIBRARY = 'xul'
-FAIL_ON_WARNINGS = True
-
 LOCAL_INCLUDES += [
     '..',
 ]
\ No newline at end of file

--- a/ipc/app/moz.build
+++ b/ipc/app/moz.build
@@ -43,16 +43,17 @@ if CONFIG['OS_TARGET'] != 'Android':
 if CONFIG['MOZ_SANDBOX'] and CONFIG['OS_ARCH'] == 'WINNT':
     # For sandbox includes and the include dependencies those have
     LOCAL_INCLUDES += [
         '/security',
         '/security/sandbox',
         '/security/sandbox/chromium',
     ]
     USE_LIBS += [
+        'rlz',
         'sandbox_staticruntime_s',
     ]
     DELAYLOAD_DLLS += [
         'mozalloc.dll',
         'nss3.dll',
         'xul.dll'
     ]