[NaCl SDK] Don't include gtest/gmock in library form

native_client_sdk/src/resources/Makefile.example.template

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # GNU Makefile based on shared rules provided by the Native Client SDK.
 # See README.Makefiles for more details.
 [[]]
 [[def ExpandDict(key, value_in, pre_list=[], post_list=[]):]]
 [[  value = value_in or [] ]]
 [[  pre = pre_list or [] ]]
@@ skipping 34 matching lines @@
 include $(NACL_SDK_ROOT)/tools/common.mk
 
 [[if desc.get('SOCKET_PERMISSIONS'):]]
 CHROME_ARGS += --allow-nacl-socket-api=localhost
 [[]]
 
 [[ExpandDict('DEPS', targets[0].get('DEPS', []))]]
 [[ExpandDict('LIBS', targets[0].get('LIBS', []))]]
 
 [[for target in targets:]]
-[[  source_list = (s for s in sorted(target['SOURCES']) if not s.endswith('.h'))]]
+[[  source_list = sorted(target['SOURCES'] + target.get('EXTRA_SOURCES', []))]]
+[[  source_list = (s for s in source_list if not s.endswith('.h'))]]
 [[  source_list = ' \\\n  '.join(source_list)]]
 [[  sources = target['NAME'] + '_SOURCES']]
 [[  cflags = target['NAME'] + '_CFLAGS']]
 [[  flags = target.get('CFLAGS', [])]]
 [[  flags.extend(target.get('CXXFLAGS', []))]]
 [[  if len(targets) == 1:]]
 [[    sources = 'SOURCES']]
 [[    cflags = 'CFLAGS']]
 [[  ]]
 [[  ExpandDict(cflags, flags)]]
@@ skipping 35 matching lines @@
 # On NaCl, only produce a stripped binary for Release configs (not Debug).
 ifneq (,$(or $(findstring pnacl,$(TOOLCHAIN)),$(findstring Release,$(CONFIG))))
 $(eval $(call LINK_RULE,{{name}}_unstripped,$({{sources}}),$(LIBS),$(DEPS)))
 $(eval $(call STRIP_RULE,{{name}},{{name}}_unstripped))
 else
 $(eval $(call LINK_RULE,{{name}},$({{sources}}),$(LIBS),$(DEPS)))
 endif
 [[]]
 
 $(eval $(call NMF_RULE,$(TARGET),)){{post}}