Go to the documentation of this file. 24 #include <AvailabilityMacros.h> 26 #if MAC_OS_X_VERSION_MAX_ALLOWED < 1050 27 #error VTK requires the Mac OS X 10.5 SDK or later 30 #if MAC_OS_X_VERSION_MIN_REQUIRED < 1050 31 #error VTK requires a deployment target of Mac OS X 10.5 or later 36 #define __has_feature(x) 0 41 #if defined(__OBJC_GC__) 42 #define VTK_OBJC_IS_MRR 0 43 #define VTK_OBJC_IS_ARC 0 44 #define VTK_OBJC_IS_GC 1 45 #elif __has_feature(objc_arc) 46 #define VTK_OBJC_IS_MRR 0 47 #define VTK_OBJC_IS_ARC 1 48 #define VTK_OBJC_IS_GC 0 50 #define VTK_OBJC_IS_MRR 1 51 #define VTK_OBJC_IS_ARC 0 52 #define VTK_OBJC_IS_GC 0 55 #if __has_feature(objc_arc) 56 #error VTK does not yet support ARC memory management