75 duplicate symbols for architecture x86_64 Means that you have loaded same functions twice. As the issue disappear after removing -ObjC from Other Linker Flags, this means that this option result that functions loads twice: from Technical Q&A This flag causes the linker to load every object file in the library that defines an Objective-C … Read more
I faced this same problem after installing xcode; All I had to do was run gcc. This then asked me to accept the xcode license. After, it just worked fine. Hope this helps someone.
As a comment said this error is likely to be deep in your code. If the culprit is a zombie, the easiest way to find it is to run it (preferably in the latest Xcode, currently Xcode 5, as it has been improved) in profiler and choose “Zombies”. When it fails, you can see the … Read more
[Xcode 11+] The only thing to do is to add the framework to the General->Frameworks, Libraries And Embedded Content section in the General tab of your app target. Make sure you select the ‘Embed & Sign’ option. [Xcode v6 -> Xcode v10] The only thing to do is to add the framework to the Embedded binaries section in the General tab of your … Read more