-pie can only be used when targeting iOS 4.2 or later

-pie can only be used when targeting iOS 4.2 or later

网上下载的demo，执行报错-pie can only be used when targeting iOS 4.2 or later

解决的方法：选择target＝＝》改动development Target改为8.1就可以

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原文地址：https://www.cnblogs.com/blfbuaa/p/7327544.html