Xcode10 报错 target xxx(project 'xxx')has copy command from ‘xxx/xxx’ to ''xxx/xxx.app/COPYING'解决方案

Xcode10默认使用最新的系统，但运行旧APP时候就会报错

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:-1: Multiple commands produce 'xxx/xxx.app/COPYING':

target xxx(project 'xxx')has copy command from ‘xxx/xxx’ to ''xxx/xxx.app/COPYING'

因此，仅需要将xcode改成旧系统就好了。操作如下：

Xcode ->File->Workspace Settings->build System中将New Build System(Default)修改为Legacy Build System重新运行即可。