add a new xcconfig to build c++ files as obj-c++ to ensure correct linkage. B...

webkit/webkit.xcodeproj/project.pbxproj

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                 7B58F7A60DAFC59B006F0EB5 /* jsconfig */ = {
@@ skipping 3687 matching lines @@
                 E4A238C60E3FA19C002BDE14 /* image_decoder.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = image_decoder.h; sourceTree = "<group>"; };
                 E4A970720E36128B00E8EF3B /* FrameWin.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = FrameWin.h; path = port/bridge/FrameWin.h; sourceTree = SOURCE_ROOT; };
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+                E4E4CAE60E805325009A687C /* webkit_staticlib.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; path = webkit_staticlib.xcconfig; sourceTree = SOURCE_ROOT; };
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                         files = (
                         );
                         runOnlyForDeploymentPostprocessing = 0;
                 };
@@ skipping 2218 matching lines @@
                         sourceTree = "<group>";
                 };
                 7BF8842B0E71C100000BAF8A /* Configuration */ = {
                         isa = PBXGroup;
                         children = (
                                 7BF8842C0E71C120000BAF8A /* common.xcconfig */,
                                 7BF8842D0E71C120000BAF8A /* debug.xcconfig */,
                                 7BF8842E0E71C120000BAF8A /* executable.xcconfig */,
                                 7BF8842F0E71C120000BAF8A /* release.xcconfig */,
                                 7BF884300E71C120000BAF8A /* staticlib.xcconfig */,
+                                E4E4CAE60E805325009A687C /* webkit_staticlib.xcconfig */,
                         );
                         name = Configuration;
                         path = ../build;
                         sourceTree = "<group>";
                 };
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                         isa = PBXGroup;
                         children = (
                                 7BF88A0E0E71D012000BAF8A /* bindings */,
                                 7BF891F60E731344000BAF8A /* pcre */,
@@ skipping 2653 matching lines @@
                                         "$(CONFIGURATION_TEMP_DIR)/generated/DerivedSources/v8/WebCore",
                                         "$(CONFIGURATION_TEMP_DIR)/generated/WebCore/JavaScriptHeaders/v8",
                                         "$(CONFIGURATION_TEMP_DIR)/generated/WebCore/v8",
                                 );
                                 PRODUCT_NAME = webcore;
                         };
                         name = Release;
                 };
                 E45627130E268F03005E4685 /* Debug */ = {
                         isa = XCBuildConfiguration;
-                        baseConfigurationReference = 7BF884300E71C120000BAF8A /* staticlib.xcconfig */;
+                        baseConfigurationReference = E4E4CAE60E805325009A687C /* webkit_staticlib.xcconfig */;
                         buildSettings = {
                                 GCC_PREFIX_HEADER = ../third_party/WebKit/WebCore/WebCorePrefix.h;
                                 HEADER_SEARCH_PATHS = (
                                         "$(HEADER_SEARCH_PATHS)",
                                         "$(DIR_PORT)/platform",
                                         "$(DIR_PORT)/platform/graphics",
                                         "$(CONFIGURATION_TEMP_DIR)/generated/DerivedSources/v8/WebCore",
                                         "$(CONFIGURATION_TEMP_DIR)/generated/include/v8",
                                         "$(CONFIGURATION_TEMP_DIR)/generated/WebCore/v8",
                                 );
                                 PRODUCT_NAME = glue;
                         };
                         name = Debug;
                 };
                 E45627140E268F03005E4685 /* Release */ = {
                         isa = XCBuildConfiguration;
-                        baseConfigurationReference = 7BF884300E71C120000BAF8A /* staticlib.xcconfig */;
+                        baseConfigurationReference = E4E4CAE60E805325009A687C /* webkit_staticlib.xcconfig */;
                         buildSettings = {
                                 GCC_PREFIX_HEADER = ../third_party/WebKit/WebCore/WebCorePrefix.h;
                                 HEADER_SEARCH_PATHS = (
                                         "$(HEADER_SEARCH_PATHS)",
                                         "$(DIR_PORT)/platform",
                                         "$(DIR_PORT)/platform/graphics",
                                         "$(CONFIGURATION_TEMP_DIR)/generated/DerivedSources/v8/WebCore",
                                         "$(CONFIGURATION_TEMP_DIR)/generated/include/v8",
                                         "$(CONFIGURATION_TEMP_DIR)/generated/WebCore/v8",
                                 );
@@ skipping 134 matching lines @@
                                 E45627F20E2694B8005E4685 /* Debug */,
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                         );
                         defaultConfigurationIsVisible = 0;
                         defaultConfigurationName = Release;
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         rootObject = 7B5E77560D7F22D8001ECF42 /* Project object */;
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