Getting pyrit + opencl to work with BT5 is actually pretty easy, although I recommend using cal++ (it gets a lot more pmk/s, usually up to double what opencl does) Btw, I'd also use the amd app sdk...

Not sure why you're getting that error but I'd say try going back into the directory (in the console) and running:

make
make install

(so just try running the make command by itself first while...

Not sure what the problem is that you're having zakoo, but I'd just try and re-install pyrit and pyrit-cal++ and see what happens. The AMD-APP SDK works just fine if you follow my guide exactly.
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If you're still having issues getting ATI SDK, Pyrit and Cal++ to work, follow my guide at:...

This is a guide on the best way (I've found) to install ATI Driver, ATI APP SDK, Cal++ and pyrit.Some of the instructions are from the old how to for bt4, but edited for bt5 and some I just figured...