-[UPAInitViewController startAPPay] in libUPAPayPlugin.a(UPAInitViewController.o)

问题

Undefined symbols for architecture arm64:
"_PKPaymentNetworkChinaUnionPay", referenced from:
-[UPAInitViewController startAPPay] in libUPAPayPlugin.a(UPAInitViewController.o)
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

解决方法

xcode升级到7.2，iOS9.2

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原文地址：https://www.cnblogs.com/jackyshan/p/5198984.html