webkitgtk-2.12.3webkitgtk-2.12.3

1 files changed, 41 insertions, 1 deletions

diff --git a/Source/JavaScriptCore/API/WebKitAvailability.h b/Source/JavaScriptCore/API/WebKitAvailability.h
index 6af619825..f878beae9 100644
--- a/Source/JavaScriptCore/API/WebKitAvailability.h
+++ b/Source/JavaScriptCore/API/WebKitAvailability.h
@@ -26,9 +26,49 @@
 #ifndef __WebKitAvailability__
 #define __WebKitAvailability__
 
-#if defined(__APPLE__) && !defined(BUILDING_GTK__)
+#if defined(__APPLE__)
+
 #include <AvailabilityMacros.h>
 #include <CoreFoundation/CoreFoundation.h>
+
+#if !TARGET_OS_IPHONE && __MAC_OS_X_VERSION_MIN_REQUIRED < 101100
+/* To support availability macros that mention newer OS X versions when building on older OS X versions,
+   we provide our own definitions of the underlying macros that the availability macros expand to. We're
+   free to expand the macros as no-ops since frameworks built on older OS X versions only ship bundled with
+   an application rather than as part of the system.
+*/
+
+#ifndef __NSi_10_10 // Building from trunk rather than SDK.
+#define __NSi_10_10 introduced=10.0 // Use 10.0 to indicate that everything is available.
+#endif
+
+#ifndef __NSi_10_11 // Building from trunk rather than SDK.
+#define __NSi_10_11 introduced=10.0 // Use 10.0 to indicate that everything is available.
+#endif
+
+#ifndef __AVAILABILITY_INTERNAL__MAC_10_9
+#define __AVAILABILITY_INTERNAL__MAC_10_9
+#endif
+
+#ifndef __AVAILABILITY_INTERNAL__MAC_10_10
+#define __AVAILABILITY_INTERNAL__MAC_10_10
+#endif
+
+#ifndef AVAILABLE_MAC_OS_X_VERSION_10_9_AND_LATER
+#define AVAILABLE_MAC_OS_X_VERSION_10_9_AND_LATER
+#endif
+
+#ifndef AVAILABLE_MAC_OS_X_VERSION_10_10_AND_LATER
+#define AVAILABLE_MAC_OS_X_VERSION_10_10_AND_LATER
+#endif
+
+#endif /* __MAC_OS_X_VERSION_MIN_REQUIRED <= 101100 */
+
+#if defined(BUILDING_GTK__)
+#undef CF_AVAILABLE
+#define CF_AVAILABLE(_mac, _ios)
+#endif
+
 #else
 #define CF_AVAILABLE(_mac, _ios)
 #endif