Runtime linking with OpenCL ICD

[xmrig]

In v2.7.3 added runtime linking with OpenCL ICD (OpenCL.dll/libOpenCL.so)

Benefits:

• Miner does not directly depend on the library, OpenCL ICD loaded in runtime.
• AMD APP SDK not required anymore to build miner from source.
• Possible to specify custom path to OpenCL ICD via option opencl-loader.
• Automatic version detection (1.2 or 2.0), no more errors related to clCreateCommandQueueWithProperties function.

Source now available in dev branch git checkout dev.

[xmrig]

Windows binary for checking possible compatibility issues

ae920d9f714c01fd969f90fe31cff216ee4cb016f7eb4843b853652b3e7f18dd xmrig-amd-2.7.3-dev-win64.zip/xmrig-amd.exe

xmrig-amd-2.7.3-dev-win64.zip

[xmrig]

Implemented in v2.7.3-beta.