Intel clc dependency

[Mike Blumenkrantz]

This doesn't solve the problem about missing CLC, but I pass
-Dintel_rt=disabled to avoid the whole thing.

On Fri, Apr 5, 2024, 6:05 PM Brian Paul <brian.paul at broadcom.com> wrote:

> I'm trying to build the Intel Vulkan driver.  First time in a few
> months.  I'm having build problems related to clc.  I'm on Ubuntu 22.04
>
>
> [...]
> [1347/3181] Generating src/intel/vulkan/...om command (wrapped by meson
> to set env)
> FAILED:
> src/intel/vulkan/grl/gfx125_bvh_build_BFS_BFS_pass1_indexed_batchable.h
> env MESA_SHADER_CACHE_DISABLE=true MESA_SPIRV_LOG_LEVEL=error
> /home/brianp/build3/mesa/build/src/intel/compiler/intel_clc -p dg2
> --prefix gfx125_bvh_build_BFS_BFS_pass1_indexed_batchable -e
> BFS_pass1_indexed_batchable --in
> ../src/intel/vulkan/grl/gpu/bvh_build_BFS.cl --in
> /home/brianp/build3/mesa/src/intel/vulkan/grl/gpu/libs/
> lsc_intrinsics_fallback.cl
> -o
> src/intel/vulkan/grl/gfx125_bvh_build_BFS_BFS_pass1_indexed_batchable.h
> -- -cl-std=cl2.0 -D__OPENCL_VERSION__=200 -DMAX_HW_SIMD_WIDTH=16
> -DMAX_WORKGROUP_SIZE=16
> -I/home/brianp/build3/mesa/src/intel/vulkan/grl/gpu
> -I/home/brianp/build3/mesa/src/intel/vulkan/grl/include
> ERROR: libclc shader missing. Consider installing the libclc package
> Aborted (core dumped)
>
> I've installed every clc-related package I could find.  I've tried
> several options for the 'intel-clc' option without luck.
>
> BTW, the description of intel-clc in meson_options.txt looks suspect:
>
> option(
>    'intel-clc',
>    type : 'combo',
>    deprecated: {'true': 'enabled', 'false': 'disabled'},
>    value : 'disabled',
>    choices : [
>      'enabled', 'disabled', 'system',
>    ],
>    description : 'Build the intel-clc compiler (enables Vulkan Intel ' +
>                  'Ray Tracing on supported hardware).'
> )
>
> The default is 'disabled' but that's deprecated?  Choices include
> 'enabled' but that's deprecated too?
>
> Any tips for building the ToT Intel Vulkan driver?
>
> -Brian
>
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