Initial attempt to add support for using gyp to build V8 itself...

build/all.gyp

Index: build/all.gyp
===================================================================
--- build/all.gyp	(revision 0)
+++ build/all.gyp	(revision 0)
@@ -0,0 +1,18 @@
+# Copyright (c) 2010 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.
+
+{
+  'targets': [
+    {
+      'target_name': 'All',
+      'type': 'none',
+      'dependencies': [
+        '../samples/samples.gyp:*',
+        '../test/cctest/cctest.gyp:*',
+        '../src/d8.gyp:*',
+      ]
+    }
+  ]
+}
+