Basic underpinnings of the gyp equivalent of the Linux SHARED=1 build:...

testing/gtest.gyp

 # Copyright (c) 2009 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/common.gypi',
   ],
   'targets': [
     {
       'target_name': 'gtest',
-      'type': 'static_library',
+      'type': '<(library)',
       'msvs_guid': 'BFE8E2A7-3B3B-43B0-A994-3058B852DB8B',
       'sources': [
         'gtest/include/gtest/internal/gtest-death-test-internal.h',
         'gtest/include/gtest/internal/gtest-filepath.h',
         'gtest/include/gtest/internal/gtest-internal.h',
         'gtest/include/gtest/internal/gtest-linked_ptr.h',
         'gtest/include/gtest/internal/gtest-param-util-generated.h',
         'gtest/include/gtest/internal/gtest-param-util.h',
         'gtest/include/gtest/internal/gtest-port.h',
         'gtest/include/gtest/internal/gtest-string.h',
@@ skipping 34 matching lines @@
           'gtest',
           'gtest/include',
         ],
         'target_conditions': [
           ['_type=="executable"', {'test': 1}],
         ],
       },
     },
   ],
 }