+
+/*
+ Normally all of __WXOSX_XXX__, __WXOSX__ and __WXMAC__ are defined by
+ configure but ensure that we also define them if configure was not used for
+ whatever reason.
+
+ The primare symbol remains __WXOSX_XXX__ one, __WXOSX__ exists to allow
+ checking for any OS X port (Carbon and Cocoa) and __WXMAC__ is an old name
+ for it.
+ */
+#if defined(__WXOSX_CARBON__) || defined(__WXOSX_COCOA__) || defined(__WXOSX_IPHONE__)
+# ifndef __WXOSX__
+# define __WXOSX__ 1
+# endif
+# ifndef __WXMAC__
+# define __WXMAC__ 1
+# endif
+#endif
+
+#ifdef __WXOSX__
+/* setup precise defines according to sdk used */
+# include <TargetConditionals.h>
+# if defined(__WXOSX_IPHONE__)
+# if !( defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE )
+# error "incorrect SDK for an iPhone build"
+# endif
+# elif defined(__WXOSX_CARBON__) || defined(__WXOSX_COCOA__)
+# if !( defined(TARGET_OS_MAC) && TARGET_OS_MAC )
+# error "incorrect SDK for a Mac OS X build"
+# endif
+# define __WXOSX_MAC__ 1
+# else
+# error "one of __WXOSX_IPHONE__, __WXOSX_CARBON__ or __WXOSX_COCOA__ must be defined"
+# endif
+#endif
+
+#ifdef __WXOSX_MAC__