Obj-C Preprocessor Collision Aversion

consumer_of_libextobjc.m

/** 
 *  Taken from @jspahrsummers:
 *
 *  To avoid preprocessor definition collisions when working with third-party frameworks
 *  try this...
 */
 
#define strongify myPrefix_strongify
#define weakify myPrefix_weakify
#define onExit myPrefix_onExit

#import <Foundation/Foundation.h>
#import <libextobjc/extobjc.h>

#undef strongify
#undef weakify
#undef onExit

/**
 *  And now you can use it like this:
 */

@myPrefix_strongify(self);