XcodeDefault.xctoolchain/usr/bin/clang failed with exit code 1

编绎旧工程出错

1.Command /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang failed with exit code 1

  解决方法:在Build Setting  搜索框中搜索pch,找到了Prefix Header,把后面的Debug等等全都删除,就ok了

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