win: Default build to x64

build/common.gypi

 # Copyright 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': {
     'variables': {
       'clang%': 0,
       'conditions': [
         ['OS=="mac"', {
@@ skipping 144 matching lines @@
             ],
           }],
         ],
 
       }],
 
       ['OS=="win"', {
         'msvs_configuration_attributes': {
           'CharacterSet': '1',
         },
+        'msvs_configuration_platform': 'x64',
         'msvs_settings': {
           'VCCLCompilerTool': {
             'WarningLevel': '4',
             'WarnAsError': 'true',
             'DebugInformationFormat': '3',
             'ExceptionHandling': '0',
             'RuntimeTypeInfo': 'false',
             'BufferSecurityCheck': 'true',
             'EnableFunctionLevelLinking': 'true',
           },
           'VCLinkerTool': {
             'GenerateDebugInformation': 'true',
             'SubSystem': '1',
+            'MinimumRequiredVersion': '5.02',  # Server 2003.
+            'TargetMachine': '17',  # x64.
+          },
+          'VCLibrarianTool': {
+            'TargetMachine': '17',  # x64.
           },
         },
         'msvs_disabled_warnings': [
           4100,  # Unreferenced formal parameter.
           4127,  # Conditional expression is constant.
           4201,  # Nonstandard extension used : nameless struct/union.
           4324,  # 'X' was padded due to __declspec(align()).
           4351,  # New behavior: elements of array will be default initialized.
           4530,  # Exceptions are disabled.
           4702,  # Unreachable code. https://crbug.com/346399
@@ skipping 87 matching lines @@
           }],
 
           ['OS=="win"', {
             'msvs_settings': {
               'VCCLCompilerTool': {
                 'Optimization': '0',
               },
             },
           }],
 
+        ],
+      },
 
-        ],
+      # gyp-ninja seems to requires these, but we don't use them.
+      'Debug_x64': {
+        'inherit_from': ['Debug'],
+      },
+      'Release_x64': {
+        'inherit_from': ['Release'],
       },
     },
   },
 
   'conditions': [
     ['OS=="mac"', {
       'xcode_settings': {
         'SYMROOT': '<(DEPTH)/xcodebuild',
       },
     }],
   ],
 }