exa2pro/starpu-max: porting work to Maxeler DFE @ b952994b310306a8fbb24a93e59e12ae526c003e

Cyril Roelandt d1bccde36c _starpu_driver_end_job(): Fix a potential NULL-pointer dereference.		13 éve
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cpu	2d3f2f9c71 src: hwloc topology needs to be initialised outside the driver function as the driver may be disabled	13 éve
cuda	31de845f49 Add CUDA to CUDA support to starpu_cuda_copy_async_sync().	13 éve
driver_common	d1bccde36c _starpu_driver_end_job(): Fix a potential NULL-pointer dereference.	13 éve
gordon	2fcf7e6af2 Add a _STARPU_PTHREAD_CREATE macro and use it.	13 éve
opencl	fc407c8e48 handle NULL OpenCL build options	13 éve