Get iossim to compile with Xcode 6.

testing/iossim/iossim.gyp

Index: testing/iossim/iossim.gyp
diff --git a/testing/iossim/iossim.gyp b/testing/iossim/iossim.gyp
index af80adb106cac9f39d826fbbaf7355a9d9ec6847..883b039b97f33715d1c5cd7d15f12f3a7f1f44ed 100644
--- a/testing/iossim/iossim.gyp
+++ b/testing/iossim/iossim.gyp
@@ -12,9 +12,66 @@
           'type': 'executable',
           'variables': {
             'developer_dir': '<!(xcode-select -print-path)',
-            'iphone_sim_path': '<(developer_dir)/Platforms/iPhoneSimulator.platform/Developer/Library/PrivateFrameworks',
-            'other_frameworks_path': '<(developer_dir)/../OtherFrameworks'
+            'xcode_version': '<!(xcodebuild -version | grep Xcode | awk \'{print $2}\')',
           },
+          'conditions': [
+            ['xcode_version=="6.0"', {
+              'variables': {
+                'iphone_sim_path': '<(developer_dir)/../SharedFrameworks',
+              },
+              'defines': [
+                'XCODE_6',

[justincohen, 2014/06/13 14:08:39]

Is this necessary?  Would it be more correct to look for __IPHONE_8_0 ?

[lliabraa, 2014/06/13 15:07:30]

iossim is compiled for host so it uses the mac SDK and __IPHONE_* isn't
available.

Using __MAC_10_10 would work, but gyp/ninja chooses to the 10.9 SDK even though
10.10 is available. I'm not sure how to get it to use the 10.10 SDK. Setting the
GYP variable mac_sdk doesn't work (I'm guessing it get overridden somewhere down
the line).

+              ],
+              'actions': [
+                {
+                  'action_name': 'generate_dvt_foundation_header',
+                  'inputs': [
+                    '<(iphone_sim_path)/DVTFoundation.framework/Versions/Current/DVTFoundation',
+                    '<(PRODUCT_DIR)/class-dump',
+                  ],
+                  'outputs': [
+                    '<(INTERMEDIATE_DIR)/iossim/DVTFoundation.h'
+                  ],
+                  'action': [
+                    # Actions don't provide a way to redirect stdout, so a custom
+                    # script is invoked that will execute the first argument and
+                    # write the output to the file specified as the second argument.
+                    # -I sorts classes, categories, and protocols by inheritance.
+                    # -C <regex> only displays classes matching regular expression.
+                    './redirect-stdout.sh',
+                    '<(PRODUCT_DIR)/class-dump -CDVTStackBacktrace|DVTInvalidation|DVTMixIn <(iphone_sim_path)/DVTFoundation.framework',
+                    '<(INTERMEDIATE_DIR)/iossim/DVTFoundation.h',
+                  ],
+                  'message': 'Generating DVTFoundation.h',
+                },
+                {
+                  'action_name': 'generate_dvt_core_simulator',
+                  'inputs': [
+                    '<(developer_dir)/Library/PrivateFrameworks/CoreSimulator.framework/Versions/Current/CoreSimulator',
+                    '<(PRODUCT_DIR)/class-dump',
+                  ],
+                  'outputs': [
+                    '<(INTERMEDIATE_DIR)/iossim/CoreSimulator.h'
+                  ],
+                  'action': [
+                    # Actions don't provide a way to redirect stdout, so a custom
+                    # script is invoked that will execute the first argument and
+                    # write the output to the file specified as the second argument.
+                    # -I sorts classes, categories, and protocols by inheritance.
+                    # -C <regex> only displays classes matching regular expression.
+                    './redirect-stdout.sh',
+                    '<(PRODUCT_DIR)/class-dump -CSim <(developer_dir)/Library/PrivateFrameworks/CoreSimulator.framework',
+                    '<(INTERMEDIATE_DIR)/iossim/CoreSimulator.h',
+                  ],
+                  'message': 'Generating CoreSimulator.h',
+                },
+              ],  # actions
+            }, {  # else: xcode_version!="6"
+              'variables': {
+                'iphone_sim_path': '<(developer_dir)/Platforms/iPhoneSimulator.platform/Developer/Library/PrivateFrameworks',
+              },
+            }],  # xcode_version
+          ],  # conditions
           'dependencies': [
             'third_party/class-dump/class-dump.gyp:class-dump#host',
           ],
@@ -48,9 +105,9 @@
                 '<(PRODUCT_DIR)/class-dump -I -CiPhoneSimulator <(iphone_sim_path)/DVTiPhoneSimulatorRemoteClient.framework',
                 '<(INTERMEDIATE_DIR)/iossim/DVTiPhoneSimulatorRemoteClient.h',
               ],
-              'message': 'Generating header',
+              'message': 'Generating DVTiPhoneSimulatorRemoteClient.h',
             },
-          ],
+          ],  # actions
           'xcode_settings': {
             'ARCHS': ['x86_64'],
             'WARNING_CFLAGS': [