initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/osx/private/available.h

@@ -0,0 +1,51 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/osx/private/available.h
+// Purpose:     Helper for checking API availability under macOS.
+// Author:      Vadim Zeitlin
+// Created:     2019-04-17
+// Copyright:   (c) 2019 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_OSX_PRIVATE_AVAILABLE_H_
+#define _WX_OSX_PRIVATE_AVAILABLE_H_
+
+// Xcode 9 adds new @available keyword and the corresponding __builtin_available
+// builtin which should be used instead of manual checks for API availability
+// as using this builtin suppresses the compiler -Wunguarded-availability
+// warnings, so use it if possible for the implementation of our own macro.
+#if defined(__clang__) && __has_builtin(__builtin_available)
+    #define WX_IS_MACOS_AVAILABLE(major, minor) \
+        __builtin_available(macOS major ## . ## minor, *)
+
+    #define WX_IS_MACOS_OR_IOS_AVAILABLE(macmajor, macminor, imajor, iminor) \
+        __builtin_available(macOS macmajor ## . ## macminor, iOS imajor ##. ## iminor, *)
+
+    #define WX_IS_MACOS_AVAILABLE_FULL(major, minor, micro) \
+        __builtin_available(macOS major ## . ## minor ## . ## micro, *)
+
+    // Note that we can't easily forward to API_AVAILABLE macro here, so go
+    // directly to its expansion instead.
+    #define WX_API_AVAILABLE_MACOS(major, minor) \
+         __attribute__((availability(macos,introduced=major ## . ## minor)))
+#else // Not clang or old clang version without __builtin_available
+    #include "wx/platinfo.h"
+
+    #define WX_IS_MACOS_AVAILABLE(major, minor) \
+        wxPlatformInfo::Get().CheckOSVersion(major, minor)
+
+#ifdef wxOSX_USE_IPHONE
+    #define WX_IS_MACOS_OR_IOS_AVAILABLE(macmajor, macminor, imajor, iminor) \
+        wxPlatformInfo::Get().CheckOSVersion(imajor, iminor)
+#else
+    #define WX_IS_MACOS_OR_IOS_AVAILABLE(macmajor, macminor, imajor, iminor) \
+        wxPlatformInfo::Get().CheckOSVersion(macmajor, macminor)
+#endif
+
+    #define WX_IS_MACOS_AVAILABLE_FULL(major, minor, micro) \
+        wxPlatformInfo::Get().CheckOSVersion(major, minor, micro)
+
+    #define WX_API_AVAILABLE_MACOS(major, minor)
+#endif
+
+#endif // _WX_OSX_PRIVATE_AVAILABLE_H_