Refactored OpenGL embedder that works on Android, Mac or Linux.

samples/mobile_emulator_sample/mobile_emulator_sample.gyp

Index: samples/mobile_emulator_sample/mobile_emulator_sample.gyp
===================================================================
--- samples/mobile_emulator_sample/mobile_emulator_sample.gyp	(revision 0)
+++ samples/mobile_emulator_sample/mobile_emulator_sample.gyp	(revision 0)
@@ -0,0 +1,70 @@
+# Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+
+# We should be able to make this work on Mac. We need:
+# -framework OpenGL -framework GLUT -lm -L /usr/X11/lib
+
+{
+  'targets': [
+    {
+      'target_name': 'mobile_emulator_sample',
+      'type': 'none',
+      'conditions': [
+        ['OS=="linux" or OS=="mac"',
+          {
+            'dependencies': [
+              '../../runtime/dart-runtime.gyp:emulator_embedder',
+              'mobile_emulator',
+              'copy_dart_files'
+            ]
+          }
+        ]
+      ]
+    },
+    {
+      'target_name': 'copy_dart_files',
+      'type': 'none',
+      'copies': [ {
+        'destination': '<(PRODUCT_DIR)',
+        'files': [
+           '../../runtime/embedders/openglui/common/gl.dart',
+           '../../samples/simplegl/web/raytrace.dart'
+        ],
+      }],
+    },
+    {
+      'target_name': 'mobile_emulator',
+      'type': 'executable',
+      'dependencies': [
+        '../../runtime/dart-runtime.gyp:emulator_embedder',
+      ],
+      'include_dirs': [
+         '../../runtime',
+         '/usr/X11/include',
+       ],
+       'sources': [
+          'mobile_emulator_sample.cc',
+       ],
+       'conditions': [
+         ['OS=="linux"',
+           {
+             'link_settings': {
+               'libraries': [ '-lGL', '-lglut', '-lGLU', '-lm', '-lc' ],
+             },
+           }
+         ],
+         ['OS=="mac"',
+           {
+             'ldflags': [
+               '-framework OpenGL',
+               '-framework GLUT',
+               '-L /usr/X11/lib'
+             ],
+           }
+        ]
+      ]
+    }
+  ]
+}
+