Fixing potential conflict when building both OpenCL and CUDA support and attempting to simplify Makefile.am 
Fixing potential conflict when building both OpenCL and CUDA support and attempting to simplify Makefile.am 

beagle-dev/beagle-lib,beagle-dev/beagle-lib,beagle-dev/beagle-lib,beagle-dev/beagle-lib,beagle-dev/beagle-lib