Third attempt at:

base/third_party/dynamic_annotations/dynamic_annotations.gyp

 # Copyright (c) 2010 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.
 
 {
   'targets': [
     {
       'target_name': 'dynamic_annotations',
       'type': 'static_library',
+      'toolsets': ['host', 'target'],
       'include_dirs': [
         '../../../',
       ],
       'sources': [
         'dynamic_annotations.c',
         'dynamic_annotations.h',
       ],
     },
   ],
   'conditions': [
@@ skipping 16 matching lines @@
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ],
     }],
   ],
 }