Re-enables ARM cross-compile.

runtime/dart-runtime.gyp

Index: runtime/dart-runtime.gyp
===================================================================
--- runtime/dart-runtime.gyp	(revision 22082)
+++ runtime/dart-runtime.gyp	(working copy)
@@ -64,7 +64,8 @@
       'type': 'none',
       'toolsets':['target','host'],
       'dependencies': [
-        'libdart_dependency_helper',
+        'libdart_dependency_helper.target#target',
+        'libdart_dependency_helper.host#host',
       ],
       'actions': [
         {
@@ -78,7 +79,8 @@
             '<(version_in_cc_file)',
             # Depend on libdart_dependency_helper to track the libraries it
             # depends on.
-            '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)libdart_dependency_helper<(EXECUTABLE_SUFFIX)',
+            '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)libdart_dependency_helper.target<(EXECUTABLE_SUFFIX)',
+            '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)libdart_dependency_helper.host<(EXECUTABLE_SUFFIX)',
           ],
           'outputs': [
             '<(version_cc_file)',
@@ -94,9 +96,9 @@
       ],
     },
     {
-      'target_name': 'libdart_dependency_helper',
+      'target_name': 'libdart_dependency_helper.target',
       'type': 'executable',
-      'toolsets':['target','host'],
+      'toolsets':['target'],
       # The dependencies here are the union of the dependencies of libdart and
       # libdart_withcore.
       'dependencies': [
@@ -111,6 +113,23 @@
       ],
     },
     {
+      'target_name': 'libdart_dependency_helper.host',
+      'type': 'executable',
+      'toolsets':['host'],
+      # The dependencies here are the union of the dependencies of libdart and
+      # libdart_withcore.
+      'dependencies': [
+        'libdart_lib_withcore',
+        'libdart_lib',
+        'libdart_vm',
+        'libjscre',
+        'libdouble_conversion',
+      ],

[kustermann, 2013/04/29 09:29:57]

You could make a variable containing these dependencies, so we don't have
duplication here.
But if this list doesn't change, I'm happy with this as well.

[zra, 2013/04/29 18:38:35]

Done.

+      'sources': [
+        'vm/libdart_dependency_helper.cc',
+      ],
+    },
+    {
       'target_name': 'runtime_packages',
       'type': 'none',
       'dependencies': [