Don't depend on libdart_io in run_vm_tests and gen_snapshot.

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': {
     'gen_source_dir': '<(SHARED_INTERMEDIATE_DIR)',
 
     'io_cc_file': '<(gen_source_dir)/io_gen.cc',
     'io_patch_cc_file': '<(gen_source_dir)/io_patch_gen.cc',
@@ skipping 150 matching lines @@
         ['OS=="linux"', {
           'link_settings': {
             'libraries': [
               '-ldl',
             ],
           },
         }],
       ],
     },
     {
+      'target_name': 'libdart_builtin_no_io',

[Ivan Posva, 2014/02/25 07:53:12]

I am a bit puzzled by this new target as it does not appear to be used anywhere.

[Anders Johnsen, 2014/02/25 08:31:32]

Yeah, you are 100% right. This was a solution to a problem, that didn't exist :)
Removed.

+      'type': 'static_library',
+      'toolsets':['target','host'],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        'builtin_no_io.cc',
+      ],
+      'conditions': [
+        ['OS=="linux"', {
+          'link_settings': {
+            'libraries': [
+              '-ldl',
+            ],
+          },
+        }],
+      ],
+    },
+    {
       'target_name': 'libdart_io',
       'type': 'static_library',
-      'toolsets':['target', 'host'],
+      'toolsets':['target'],
       'include_dirs': [
         '..',
       ],
       'includes': [
         'io_impl_sources.gypi',
       ],
       'sources': [
         'io_natives.h',
         'io_natives.cc',
       ],
@@ skipping 65 matching lines @@
       ],
     },
     {
       # Completely statically linked binary for generating snapshots.
       'target_name': 'gen_snapshot',
       'type': 'executable',
       'toolsets':['host'],
       'dependencies': [
         'libdart_withcore',
         'libdart_builtin',
-        'libdart_io',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'gen_snapshot.cc',
         # Very limited native resolver provided.
         'builtin_gen_snapshot.cc',
         'builtin.cc',
         'builtin.h',
@@ skipping 271 matching lines @@
         }],
       ],
     },
     {
       'target_name': 'run_vm_tests.host',
       'type': 'executable',
       'toolsets':['host'],
       'dependencies': [
         'libdart_withcore',
         'libdart_builtin',
-        'libdart_io',
         'generate_snapshot_file#host',
         'generate_snapshot_test_dat_file#host',
       ],
       'include_dirs': [
         '..',
         '<(gen_source_dir)',
       ],
       'sources': [
         'run_vm_tests.cc',
         'builtin_natives.cc',
@@ skipping 71 matching lines @@
         }],
         ['OS=="linux"', {
           'cflags': [
             '-fPIC',
           ],
         }],
       ],
     },
   ],
 }