Xcode 5中苹果对多个系统框架及相关类库进行了改进。以前创建的项目在Xcode 5中从新编译会产生一些新问题。框架
JosnKit是经常使用的轻量级Josn解析类,在Xcode 5中:spa
BOOL workAroundMacOSXABIBreakingBug = (JK_EXPECT_F(((NSUInteger)object) &0x1)) ? YES : NO;.net
一行会提示以下警告:code
warning: bitmasking for introspection of Objective-C object pointers is strongly discouraged blog
虽然不影响使用,但有完美编译强迫症的朋友能够没法这个黄色感叹号。援引GitHub上一篇帖子,有以下修改方法:it
#pragma clang diagnostic pushio
#pragma clang diagnostic ignored"-Wdeprecated-objc-pointer-introspection"编译
BOOL workAroundMacOSXABIBreakingBug = (JK_EXPECT_F(((NSUInteger)object) &0x1)) ? YES : NO;class
#pragma clang diagnostic popobject
转自http://blog.csdn.net/vividloves/article/details/12186191