[Pkg-opencl-devel] Alternatives system for libOpenCL?

[Simon Richter]

Hi,

On 22.07.2016 23:35, Giuseppe Bilotta wrote:

> To clarify: the Intel OpenCL runtime for Ubuntu replaces the
> libOpenCL.so and libOpenCL.so.1 links installed by e.g.
> ocl-icd-libopencl1 with links to the alternatives system, that point
> at Intel's own libOpenCL.so by default, and require manual
> intervention to go back to using ocl-icd.

Is that Beignet, or another OpenCL library? Beignet certainly supports ICD.

> We could probably use the same alternatives system used by Intel,
> which is a main opencl-
> libOpenCL.so  and a slave opencl-libOpenCL.so.1

No, the packages providing libOpenCL.so.1 should conflict with each
other. If someone explicitly wants to install a libOpenCL that is not an
ICD loader, they can do so, but they lose configurability in the
process. The proper interface to switch between implementations is ICD.

   Simon

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