Intel clc dependency

[Tapani Pälli]

On 11.4.2024 1.15, Brian Paul wrote:
> On 4/10/24 13:53, Timo Aaltonen wrote:
>> Brian Paul kirjoitti 6.4.2024 klo 1.05:
>>> 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
>>>
>>
>> You need to have libclc-NN-dev installed matching with the llvm 
>> version, which on stock 22.04 would be libclc-13-dev.
>
> I'm using llvm 15 and have libclc-15-dev installed.  I get the "ERROR: 
> libclc shader missing. Consider installing the libclc package" issue I 
> quoted above.
>

You'll need to install libclc-15 too. I think libclc-15-dev package is 
missing dependency to libclc-15 .. did not verify this but I've been 
able to install libclc-15-dev without the library package getting installed.


> I have llvm 15 installed because I also want to build the radv Vulkan 
> driver.
>
> -Brian
>
>