Q:Implicit declaration of function '__Verify' is invalid in C99, Bad receiver type 'int'
A: As a quick fix you can use MKTVerify(mock) instead of the shorthand version verify(mock)
Q: -[NSInvocation mkt_retainArgumentsWithWeakTarget]: unrecognized selector ...
A: I've to confess that I forgot to set -ObjC on Other linker flags. Realized that when I looked into the OCMockito.podspec file and saw the TPWeakProxy dependency.