Correct iOS build for latest Xcode beta.

third_party/class-dump/class-dump.gyp

 # Copyright (c) 2015 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': {
     'mac_deployment_target': '10.8'
   },
   'targets': [
     {
@@ skipping 153 matching lines @@
         'src/Source/NSData-CDExtensions.h',
         'src/Source/NSData-CDExtensions.m',
         'src/Source/NSError-CDExtensions.h',
         'src/Source/NSError-CDExtensions.m',
         'src/Source/NSScanner-CDExtensions.h',
         'src/Source/NSScanner-CDExtensions.m',
         'src/Source/NSString-CDExtensions.h',
         'src/Source/NSString-CDExtensions.m',
         'src/Source/cd_objc2.h',
       ],
+      'variables': {
+        'developer_dir': '<!(xcode-select -print-path)',
+        'xcode_version': '<!(xcodebuild -version | awk \'/Xcode/ {print $2}\')',
+      },
+      'conditions': [
+        ['xcode_version>="7.0"', {
+          'variables': {
+            'dynamic_library_extension': 'tbd',
+          },
+        }, {  # else: xcode_version<"7.0"
+          'variables': {
+            'dynamic_library_extension': 'dylib',
+          },
+        }]
+      ],
       'libraries': [
         '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
-        '$(SDKROOT)/usr/lib/libcrypto.dylib',
+        '$(SDKROOT)/usr/lib/libcrypto.<(dynamic_library_extension)',
       ],
       'include_dirs': [
         'src/Source',
       ],
       'xcode_settings': {
         'GCC_PREFIX_HEADER': 'src/class-dump-Prefix.pch',
         'CLANG_ENABLE_OBJC_ARC': 'YES',
         'CLANG_WARN_OBJC_MISSING_PROPERTY_SYNTHESIS': 'NO',
       },
     },
   ],  # targets
 }