Add nacl_sdk gyp meta-target.

build/nacl_core_sdk.gyp

+# Copyright (c) 2012 The Native Client Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'includes': [
+    'common.gypi',
+  ],
+  'targets': [
+    {
+      'target_name': 'nacl_core_sdk',
+      'type': 'none',
+      'dependencies': [
+        '../src/shared/gio/gio.gyp:gio_lib',
+        '../src/shared/platform/platform.gyp:platform_lib',
+        '../src/shared/srpc/srpc.gyp:srpc_lib',
+        '../src/trusted/service_runtime/service_runtime.gyp:sel_ldr',
+        '../src/untrusted/irt/irt.gyp:irt_core_nexe',
+        '../src/untrusted/irt_stub/irt_stub.gyp:ppapi_stub_lib',
+        '../src/untrusted/nacl/nacl.gyp:imc_syscalls_lib',
+        '../src/untrusted/nacl/nacl.gyp:nacl_dynacode_lib',
+        '../src/untrusted/nacl/nacl.gyp:nacl_lib',
+        '../src/untrusted/nosys/nosys.gyp:nosys_lib',
+        '../src/untrusted/pthread/pthread.gyp:pthread_lib',
+      ],
+      'conditions': [
+        # these libraries don't currently exist on arm
+        ['target_arch!="arm"', {
+          'dependencies': [
+            '../src/shared/imc/imc.gyp:imc_lib',
+            '../src/trusted/weak_ref/weak_ref.gyp:weak_ref_lib',
+            '../src/untrusted/valgrind/valgrind.gyp:dynamic_annotations_lib',
+            '../src/untrusted/valgrind/valgrind.gyp:valgrind_lib',
+          ],
+        }],
+      ],
+    },
+  ],
+}
+