Add support for building the Dart VM for Android OS.

dart.gyp

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'compiler',
       'type': 'none',
       'dependencies': [
         'compiler/dart-compiler.gyp:dart_analyzer',
       ],
       'actions': []
     },
     {
       'target_name': 'runtime',
       'type': 'none',
       'dependencies': [
         'runtime/dart-runtime.gyp:dart',
         'runtime/dart-runtime.gyp:run_vm_tests',
         'runtime/dart-runtime.gyp:process_test',
         'runtime/dart-runtime.gyp:test_extension',
       ],
+      'conditions': [
+        ['dart_want_separate_host_toolset==1', {

[ahe, 2012/08/08 19:09:58]

Looks like this is being added everywhere. I'd like to avoid that.

What are you trying to do?

[jackpal, 2012/08/09 01:09:48]

This is left over from an attempt to get the full build to build cross-compiled.
I needed to build some targets (like dart2js) on the host vs. the target.

But I've given up on trying to get that to work, so these changes should be
removed. I'll do that.

+          'toolsets': ['host'],
+        }, {
+          'toolsets': ['target'],
+        }],
+      ]
     },
     {
       # Build the SDK. This target is separate from upload_sdk as the
       # editor needs to build the SDK without uploading it.
       'target_name': 'create_sdk',
       'type': 'none',
       'dependencies': [
         'runtime/dart-runtime.gyp:dart',
         'dart2js',
       ],
@@ skipping 25 matching lines @@
             }],
           ],
         },
       ],
       'conditions' : [
         ['(OS=="linux" or OS=="mac") ', {
           'dependencies': [
             'compiler',
           ],
         }],
+        ['dart_want_separate_host_toolset==1', {
+            'toolsets': ['host'],
+          }, {
+            'toolsets': ['target'],
+          }],
       ],
     },
     {
       # Upload the SDK. This target is separate from create_sdk as the
       # editor needs to build the SDK without uploading it.
       'target_name': 'upload_sdk',
       'type': 'none',
       'dependencies': [
         'create_sdk',
       ],
       'actions': [
         {
           'action_name': 'upload_sdk_py',
           'inputs': [
             '<(PRODUCT_DIR)/dart-sdk/create.stamp',
             'tools/upload_sdk.py',
           ],
           'outputs': [
             '<(PRODUCT_DIR)/dart-sdk/upload.stamp',
           ],
           'action': [
             'python',
             'tools/upload_sdk.py',
             '<(PRODUCT_DIR)/dart-sdk'
           ],
         },
       ],
+      'conditions': [
+          ['dart_want_separate_host_toolset==1', {
+            'toolsets': ['host'],
+          }, {
+            'toolsets': ['target'],
+          }],
+      ],
     },
     {
       'target_name': 'dart2js',
       'type': 'none',
       'dependencies': [
         'utils/compiler/compiler.gyp:dart2js',
       ],
+      'conditions': [
+          ['dart_want_separate_host_toolset==1', {
+            'toolsets': ['host'],
+          }, {
+            'toolsets': ['target'],
+          }],
+      ],
     },
     {
       'target_name': 'api_docs',
       'type': 'none',
       'dependencies': [
         'utils/apidoc/apidoc.gyp:api_docs',
       ],
+      'conditions': [
+          ['dart_want_separate_host_toolset==1', {
+            'toolsets': ['host'],
+          }, {
+            'toolsets': ['target'],
+          }]
+    ],
     }
   ],
 }