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"No protocol" errors after compiling with XCode 2.2

Subject: "No protocol" errors after compiling with XCode 2.2
From: Steve Palmer <email@hidden>
Date: Thu, 24 Nov 2005 09:15:11 -0800
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Since I upgraded to XCode 2.2, I'm now getting:

warning: class 'xxx' does not implement the 'yyy' protocol

I can see the -wno-protocol option in the compiler command line but the corresponding option is NOT set in the project target settings. I can work around this for now by disabling warnings as errors but has anything changed in 2.2 with regard to this? How can I disable this warning? The class fully implements the protocol as far as I can tell and the code compiled fine under 2.1.

- Steve

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