For imagemagick 6.7.1-0
In the source magick/accelerate.c is not define the CLPixelPacket if MAGICKCORE_QUANTUM_DEPTH == 64.
I solve it seting quantum to 32, but I think that must be a check to prevent it or must define a CLPixelPacket for quantum == 64.
Daniel.
Error compiling with opencl and quantum64
Re: Error compiling with opencl and quantum64
We'll get a patch to fix the problem you reported into the next point release of ImageMagick. Thanks.