Usw CocoaAsyncSocket in tweak develop

[duong khang]

I am trying to include CocoaAsyncSocket  in a tweak to develop an client server application, but i always counter errors when build package like this:

In file included from Tweak.xm:4:
/private/var/project/kra/lib/cocoaSocket/GCD/GCDAsyncSocket.h:24:1: error:
      unknown type name 'NS_ASSUME_NONNULL_BEGIN'
NS_ASSUME_NONNULL_BEGIN
^
/private/var/project/kra/lib/cocoaSocket/GCD/GCDAsyncSocket.h:26:1: error:
      expected unqualified-id

anyone have experience about this problem? please help me out.

Thanks

[Chris Ballinger]

update xcode

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