[Buildroot] Upgrading LLVM and Clang to version 11.0.0... issue with libclc
Romain Naour
romain.naour at gmail.com
Fri Jan 8 11:13:19 UTC 2021
Hi Michael,
Le 08/01/2021 à 11:07, Michael Opdenacker a écrit :
> Hi Romain,
>
> Many thanks for your help and insights!
You're welcome
>
> On 1/7/21 6:41 PM, Romain Naour wrote:
>> I believe CMake try to check clang as cross-compiler before using it.
>> Can you share the CMake error log file ?
>
>
> Here are the contents of the CMakeError.log file:
>
>>>>
>
> Determining if the CLC compiler works failed with the following output:
>
>
> Determining if the CLC compiler works failed with the following output:
>
>
> Determining if the CLC compiler works failed with the following output:
>
>
> Determining if the CLC compiler works failed with the following output:
>
> <<<
>
> CMakeOutput.log is a bit too big to share here
The log is not very useful, sorry.
Can you share your working branch ?
I can still test mesa3d with Clover on a r600 GPU.
>
>>
>> For now, host/bin/clang can't be used as cross-compiler to build application
>> (the simple test program) because we need to add a wrapper like for gcc.
>>
>> configure.py was kind enough to accept host/bin/clang as is to build libclc library.
>>
>> If we can skip the cmake test, the library should build as before.
>
> Ok, I'll try.
>
>> I don't think we have to build libclc before clang, as you can see in the
>> current packaging only mesa3d depends on libclc. Clang itself doesn't depend on
>> libclc.
>>
>> You can find some details about the initial work in this blog:
>> https://www.linuxembedded.fr/2018/07/llvmclang-integration-into-buildroot/
>
>
> Great! This will definitely be useful.
>
> Many thanks,
Good luck!
Best regards,
Romain
>
> Michael.
>
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