When cross-compiling, also build and link run_vm_tests for the host architecture.

runtime/bin/net/nss.gyp

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # 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.
 
 # This file is a modified copy of Chromium's deps/third_party/nss/nss.gyp.
 # Revision 199075 (this should agree with "nss_rev" in DEPS).
@@ skipping 73 matching lines @@
       }],
     ],
   },
   # Added by Dart.  We do not indent, so diffs with the original are clearer.
   'conditions': [[ 'dart_io_support==1', {
   'targets': [
     {
       'target_name': 'nspr_dart',  # Added by Dart (the _dart postfix)
       'product_name': 'crnspr',
       'type': '<(component)',
+      'toolsets':['host','target'],
       # Changed by Dart: '<(nss_directory)/' added to all paths.
       'sources': [
         # Added by Dart.
         'os_linux.S',
         '<(nss_directory)/nspr/lib/ds/plarena.c',
         '<(nss_directory)/nspr/lib/ds/plarena.h',
         '<(nss_directory)/nspr/lib/ds/plarenas.h',
         '<(nss_directory)/nspr/lib/ds/plhash.c',
         '<(nss_directory)/nspr/lib/ds/plhash.h',
         '<(nss_directory)/nspr/lib/libc/include/plbase64.h',
@@ skipping 347 matching lines @@
             '-Wno-incompatible-pointer-types',
             '-Wno-pointer-sign',
           ],
         }],
       ],
     },
     {
       'target_name': 'nss_dart',  # Added by Dart (the _dart postfix)
       'product_name': 'crnss',
       'type': '<(component)',
+      'toolsets':['host','target'],
       'dependencies': [
         'nss_static_dart',  # Added by Dart (the _dart postfix)
       ],
       'export_dependent_settings': [
         'nss_static_dart',  # Added by Dart (the _dart postfix)
       ],
       'sources': [
         # Ensure at least one object file is produced, so that MSVC does not
         # warn when creating the static/shared library. See the note for
         # the 'nssckbi' target for why the 'nss' target was split as such.
@@ skipping 31 matching lines @@
       # artifact of how NSS is being statically built, which is not an
       # officially supported configuration - normally, 'nssckbi.dll/so' would
       # depend on libnss3.dll/so, and the higher layer caller would instruct
       # libnss3.dll to dynamically load nssckbi.dll, breaking the circle.
       #
       # TODO(rsleevi): http://crbug.com/128134 - Break the circular dependency
       # without requiring nssckbi to be built as a shared library.
       'target_name': 'nssckbi_dart',  # Added by Dart (the _dart postfix)
       'product_name': 'crnssckbi',
       'type': 'static_library',
+      'toolsets':['host','target'],
       # This target is an implementation detail - the public dependencies
       # should be on 'nss'.
       'suppress_wildcard': 1,
       'sources': [
         '<(nss_directory)/nss/lib/ckfw/builtins/anchor.c',
         '<(nss_directory)/nss/lib/ckfw/builtins/bfind.c',
         '<(nss_directory)/nss/lib/ckfw/builtins/binst.c',
         '<(nss_directory)/nss/lib/ckfw/builtins/bobject.c',
         '<(nss_directory)/nss/lib/ckfw/builtins/bsession.c',
         '<(nss_directory)/nss/lib/ckfw/builtins/bslot.c',
@@ skipping 42 matching lines @@
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '<(nss_directory)/nss/lib/ckfw/builtins',
         ],
       },
     },
     {
       'target_name': 'nss_static_dart',  # Added by Dart (the _dart postfix)
       'type': 'static_library',
+      'toolsets':['host','target'],
       # This target is an implementation detail - the public dependencies
       # should be on 'nss'.
       'suppress_wildcard': 1,
       'sources': [
         '<(nss_directory)/nss/lib/base/arena.c',
         '<(nss_directory)/nss/lib/base/base.h',
         '<(nss_directory)/nss/lib/base/baset.h',
         '<(nss_directory)/nss/lib/base/error.c',
         '<(nss_directory)/nss/lib/base/errorval.c',
         '<(nss_directory)/nss/lib/base/hash.c',
@@ skipping 729 matching lines @@
             '-Wno-logical-op-parentheses',
             '-Wno-switch',
             '-Wno-tautological-compare',
           ],
         }],
       ],
     },
   ],
   }]],
 }