A working version of dart on Android.

runtime/bin/bin.gypi

 # 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.
 
 {
   'variables': {
     # We place most generated source files in LIB_DIR (rather than, say
     # SHARED_INTERMEDIATE_DIR) because it is toolset specific. This avoids
     # two problems. First, if a generated source file has architecture specific
     # code, we'll get two different files in two different directories. Second,
@@ skipping 169 matching lines @@
     {
       'target_name': 'libdart_io',
       'type': 'static_library',
       'include_dirs': [
         '..',
       ],
       'sources': [
         'io_natives.h',
         'io_natives.cc',
       ],
-      'includes': [
-        'io_impl_sources.gypi',
-      ],
       'conditions': [
         [ 'dart_io_support==1', {
           'dependencies': [
             'bin/net/ssl.gyp:libssl_dart',
           ],
+          'includes': [
+            'io_impl_sources.gypi',
+          ],
+        },
+        {
+          'includes': [
+            'io_impl_sources_no_nss.gypi',
+          ],
         }],
         ['OS=="win"', {
           # TODO(antonm): fix the implementation.
           # Current implementation accepts char* strings
           # and therefore fails to compile once _UNICODE is
           # enabled.  That should be addressed using -A
           # versions of functions and adding necessary conversions.
           'configurations': {
             'Common_Base': {
               'msvs_configuration_attributes': {
@@ skipping 121 matching lines @@
             '--input_cc', '<(snapshot_in_cc_file)',
             '--output', '<(snapshot_cc_file)',
           ],
           'message': 'Generating ''<(snapshot_cc_file)'' file.'
         },
       ]
     },
     {
       'target_name': 'generate_resources_cc_file',
       'type': 'none',
+      'toolsets':['host','target'],
       'includes': [
         'vmstats_sources.gypi',
       ],
       'actions': [
         {
           'action_name': 'generate_resources_cc',
           'inputs': [
             '../tools/create_resources.py',
             '<@(_sources)',
           ],
           'outputs': [
             '<(resources_cc_file)',
           ],
           'action': [
             'python',
             'tools/create_resources.py',
             '--output', '<(resources_cc_file)',
             '--root_prefix', 'bin/vmstats/',
             '<@(_sources)',
           ],
           'message': 'Generating ''<(resources_cc_file)'' file.'
         },
       ]
     },
     {
       # dart binary with a snapshot of corelibs built in.
       'target_name': 'dart',
       'type': 'executable',
+      'toolsets':['target'],
       'dependencies': [
         'libdart',
         'libdart_builtin',
         'libdart_io',
         'generate_snapshot_file#host',
-        'generate_resources_cc_file',
+        'generate_resources_cc_file#host',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'main.cc',
         'builtin_natives.cc',
         'builtin_nolib.cc',
         'builtin.h',
         'io_natives.h',
@@ skipping 21 matching lines @@
             },
           },
         }],
         ['OS=="linux"', {
           # Have the linker add all symbols to the dynamic symbol table
           # so that extensions can look them up dynamically in the binary.
           'ldflags': [
             '-rdynamic',
           ],
         }],
+        ['OS=="android"', {
+          'link_settings': {
+            'ldflags': [
+              # The libraries we need should all be in
+              # Lthird_party/skia/trunk/out/config/android-x86/Debug but
+              # As I (gram) want to avoid patching the Skia gyp files to build
+              # real libraries we'll just point to the location of the 'thin'
+              # libraries used by the Skia build for now.
+              # TODO(gram): We need to support debug vs release modes.

[gram, 2013/05/28 17:04:19]

I think this comment can just be removed - it refers to the
skia_libs_location_android setting which is commented out

[Bill Hesse, 2013/05/29 09:12:44]

Done.

+              # '<(skia_libs_location_android)',
+              '-z',
+              'muldefs',
+            ],
+            'ldflags!': [
+              '-Wl,--exclude-libs=ALL,-shared',
+            ],
+            'libraries': [
+              '-llog',
+              '-lc',
+              '-lz',
+            ],
+          },
+        }],
       ],
     },
     {
       # dart binary without any snapshot built in.
       'target_name': 'dart_no_snapshot',
       'type': 'executable',
+      'toolsets':['target'],
       'dependencies': [
         'libdart_withcore',
         'libdart_builtin',
         'libdart_io',
-        'generate_resources_cc_file',
+        'generate_resources_cc_file#host',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'main.cc',
         'builtin.cc',
         'builtin_natives.cc',
         'builtin.h',
         'io_natives.h',
@@ skipping 25 matching lines @@
             },
           },
         }],
         ['OS=="linux"', {
           # Have the linker add all symbols to the dynamic symbol table
           # so that extensions can look them up dynamically in the binary.
           'ldflags': [
             '-rdynamic',
           ],
         }],
+
+        ['OS=="android"', {
+          'link_settings': {
+            'ldflags': [
+              # The libraries we need should all be in
+              # Lthird_party/skia/trunk/out/config/android-x86/Debug but
+              # As I (gram) want to avoid patching the Skia gyp files to build
+              # real libraries we'll just point to the location of the 'thin'
+              # libraries used by the Skia build for now.

[gram, 2013/05/28 17:04:19]

Ditto

[Bill Hesse, 2013/05/29 09:12:44]

Done.

+              # TODO(gram): We need to support debug vs release modes.
+              # '<(skia_libs_location_android)',
+              '-z',
+              'muldefs',
+            ],
+            'ldflags!': [
+              '-Wl,--exclude-libs=ALL,-shared',
+            ],
+            'libraries': [
+              '-llog',
+              '-lc',
+              '-lz',
+            ],
+          },
+        }],
       ],
     },
     {
       'target_name': 'process_test',
       'type': 'executable',
       'sources': [
         'process_test.cc',
       ]
     },
     {
       'target_name': 'run_vm_tests',
       'type': 'executable',
+      'toolsets':['target'],

[zra, 2013/05/28 16:56:16]

To make running tests easier, we'll likely also be building run_vm_tests for the
host architecture, which requires its own build target. I have that going under
this CL: https://codereview.chromium.org/16060004/. After that, it might make
sense to make a variable for the Android link settings rather than copying it a
third time, if possible.

[Bill Hesse, 2013/05/29 09:12:44]

I wasn't sure if the entire 'link_settings' section can be a variable, or only
flat lists, so I didn't make a variable yet.
Merged with your CL by putting the android linking only on the target target,
not the host target.

       'dependencies': [
         'libdart_withcore',
         'libdart_builtin',
         'libdart_io',
         'generate_snapshot_file#host',
         'generate_snapshot_test_dat_file',
       ],
       'include_dirs': [
         '..',
         '<(gen_source_dir)',
@@ skipping 26 matching lines @@
         ['include', 'builtin_natives.cc'],
         ['include', '_gen\\.cc$'],
         ['include', '_test\\.(cc|h)$'],
       ],
       'conditions': [
         ['OS=="win"', {
           'link_settings': {
             'libraries': [ '-lws2_32.lib', '-lRpcrt4.lib', '-lwinmm.lib' ],
           },
         }],
+        ['OS=="android"', {
+
+          'link_settings': {
+            'ldflags': [
+              # The libraries we need should all be in
+              # Lthird_party/skia/trunk/out/config/android-x86/Debug but
+              # As I (gram) want to avoid patching the Skia gyp files to build
+              # real libraries we'll just point to the location of the 'thin'
+              # libraries used by the Skia build for now.
+              # TODO(gram): We need to support debug vs release modes.

[gram, 2013/05/28 17:04:19]

Ditto

+              # '<(skia_libs_location_android)',
+              '-z',
+              'muldefs',
+            ],
+            'ldflags!': [
+              '-Wl,--exclude-libs=ALL,-shared',
+            ],
+            'libraries': [
+              '-Wl,--start-group',
+              '-Wl,--end-group',
+              '-llog',
+              '-lc',
+              '-lz',
+            ],
+          },
+        }],
       ],
     },
-    {
-      'target_name': 'test_extension',
-      'type': 'shared_library',
-      'dependencies': [
-        'dart',
+  ],
+  'conditions': [
+    ['OS!="android"', {
+      'targets': [
+        {
+          'target_name': 'test_extension',
+          'type': 'shared_library',
+          'dependencies': [
+            'dart',
+          ],
+          'include_dirs': [
+            '..',
+          ],
+          'sources': [
+            'test_extension.cc',
+            'test_extension_dllmain_win.cc',
+          ],
+          'defines': [
+            # The only effect of DART_SHARED_LIB is to export the Dart API.
+            'DART_SHARED_LIB',
+          ],
+          'conditions': [
+            ['OS=="win"', {
+              'msvs_settings': {
+                'VCLinkerTool': {
+                  'AdditionalDependencies': [ 'dart.lib' ],
+                  'AdditionalLibraryDirectories': [ '<(PRODUCT_DIR)' ],
+                },
+              },
+            }],
+            ['OS=="mac"', {
+              'xcode_settings': {
+                'OTHER_LDFLAGS': [ '-undefined', 'dynamic_lookup' ],
+              },
+            }],
+            ['OS=="linux"', {
+              'cflags': [
+                '-fPIC',
+              ],
+            }],
+          ],
+        },
       ],
-      'include_dirs': [
-        '..',
-      ],
-      'sources': [
-        'test_extension.cc',
-        'test_extension_dllmain_win.cc',
-      ],
-      'defines': [
-        # The only effect of DART_SHARED_LIB is to export the Dart API entries.
-        'DART_SHARED_LIB',
-      ],
-      'conditions': [
-        ['OS=="win"', {
-          'msvs_settings': {
-            'VCLinkerTool': {
-              'AdditionalDependencies': [ 'dart.lib' ],
-              'AdditionalLibraryDirectories': [ '<(PRODUCT_DIR)' ],
-            },
-          },
-        }],
-        ['OS=="mac"', {
-          'xcode_settings': {
-            'OTHER_LDFLAGS': [ '-undefined', 'dynamic_lookup' ],
-          },
-        }],
-        ['OS=="linux"', {
-          'cflags': [
-            '-fPIC',
-          ],
-        }],
-      ],
-    },
+    }],
   ],
 }