This CL adds support for extension in GYP.

test/ios/extension/extension.gyp

+# Copyright (c) 2014 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+'make_global_settings': [
+  ['CC', '/usr/bin/clang'],
+  ['CXX', '/usr/bin/clang++'],
+],
+  'targets': [
+    {   
+      'target_name': 'ExtensionContainer',
+          'product_name': 'ExtensionContainer',
+      'type': 'executable',
+      'mac_bundle': 1,
+      'mac_bundle_resources': [
+                'ExtensionContainer/Base.lproj/Main.storyboard',
+                ],
+
+      'sources': [
+        'ExtensionContainer/AppDelegate.h',
+        'ExtensionContainer/AppDelegate.m',
+        'ExtensionContainer/ViewController.h',
+        'ExtensionContainer/ViewController.m',
+        'ExtensionContainer/main.m',
+      ],  
+                'copies': [
+            {
+              'destination': '<(PRODUCT_DIR)/ExtensionContainer.app/PlugIns',
+              'files': [
+                '<(PRODUCT_DIR)/ActionExtension.appex',
+                ]}],
+          'dependencies': [
+        'ActionExtension'
+        ],
+
+          'link_settings': {
+            'libraries': [
+              '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
+              '$(SDKROOT)/System/Library/Frameworks/UIKit.framework',
+            ],
+          },
+          'xcode_settings': {
+          'OTHER_CFLAGS': [
+            '-fobjc-abi-version=2',
+          ],
+                'INFOPLIST_FILE': 'ExtensionContainer/Info.plist',
+#               'CODE_SIGN_IDENTITY[sdk=iphoneos*]': 'iPhone Developer',
+            'GCC_VERSION': 'com.apple.compilers.llvm.clang.1_0',
+            'ARCHS': [ 'armv7' ],
+            'SDKROOT': 'iphoneos',
+            'IPHONEOS_DEPLOYMENT_TARGET': '7.0',
+          },
+
+
+
+
+},
+{   
+  'target_name': 'ActionExtension',
+  'product_name': 'ActionExtension',
+  'type': 'extension',
+  'mac_bundle': 1,
+  'mac_bundle_resources': [
+
+        ],
+  'sources': [
+    'ActionExtension/ActionViewController.h',
+    'ActionExtension/ActionViewController.m',
+  ],  
+  'link_settings': {
+    'libraries': [
+      '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
+      '$(SDKROOT)/System/Library/Frameworks/UIKit.framework',
+          '$(SDKROOT)/System/Library/Frameworks/MobileCoreServices.framework',
+#         '-lpkstart $(SDKROOT)/System/Library/PrivateFrameworks/PlugInKit.framework/PlugInKit -fapplication-extension -Xlinker -rpath -Xlinker @executable_path/../../Frameworks '

[justincohen, 2014/07/07 14:13:58]

remove comment

+    ],
+  },
+  'xcode_settings': {
+  'OTHER_CFLAGS': [
+    '-fobjc-abi-version=2',
+  ],
+        'INFOPLIST_FILE': 'ActionExtension/Info.plist',
+        #'CODE_SIGN_IDENTITY[sdk=iphoneos*]': 'iPhone Developer',
+    'GCC_VERSION': 'com.apple.compilers.llvm.clang.1_0',
+    'ARCHS': [ 'armv7' ],
+    'SDKROOT': 'iphoneos',
+    'IPHONEOS_DEPLOYMENT_TARGET': '7.0',
+  },
+},
+
+  ],  
+}
+