Xcode 4 unit testing linker error

Question

NOTE: \"Use GHUnit\" is not an acceptable answer to this question. I know most think GHUnit is better than the Xcode4 OCUnit, but that\'s not what I\'m asking about. I\'ll evalu

Answer 1

I just wasted hours on this and similar errors - turns out I had renamed my main target - attempts to fix this by renaming the relevant variables and by removing the entire DerivedData directory were unsuccessful.

I eventually simply set up a new unit test target following the steps here: http://twobitlabs.com/2011/06/adding-ocunit-to-an-existing-ios-project-with-xcode-4/

And everything is fine now.

So - if you have strange, inexplicable link errors you might be better off just creating a new unit test target. Only takes 2 minutes.