Intention to retire remaining LLVM 14, 15 and 16 compat packages

[Tulio Magno Quites Machado Filho]

The Fedora LLVM team is planning to retire the remaining compat packages for
LLVM 14, 15 and 16 by July 4th.

The complete list of packages is:
- llvm14: used by golang-tinygo-x-llvm, python-llvmlite
- llvm15: used by clang15, golang-tinygo-x-llvm, intel-igc, intel-opencl-clang,
          lld15, openshadinglanguage, spirv-llvm15.0-translator
- clang15: used by clang15, golang-tinygo-x-llvm, intel-igc,
           intel-opencl-clang, lld15, openshadinglanguage,
           spirv-llvm15.0-translator
- lld15: used by intel-igc
- llvm16: used by clang16, golang-tinygo-x-llvm, ldc, lfortran, lld16
- clang16
- lld16

If anybody would like to keep maintaining these packages in Fedora, we would
gladly transfer ownership of them.
Keep in mind they are not supported by upstream anymore.

[Ben Beasley]

Thanks to some recent upstream work in openshadinglanguage, I was able to rebuild it with LLVM 18 in Rawhide, so it should no longer be impacted.

The latest upstream release of python-llvmlite now has “experimental” support for LLVM 15, and the package is now built with LLVM 15 in Rawhide. Upstream plans to support LLVM 17 or later “eventually,” but the timeline is indefinite (https://github.com/numba/llvmlite/issues/1048). After some discussion with co-maintainers of the python-llvmlite package in the neuro-sig, we agree that we don’t have the collective or individual appetite to maintain llvm15, and we expect to orphan the python-llvmlite package if llvm15 is retired as planned. This will impact sympy, which has python-llvmlite as an optional dependency, but it should be sufficient for the sympy package to simply drop its BuildRequires on %{py3_dist llvmlite} if and when python-llvmlite is ultimately retired.

On 6/27/24 2:07 PM, Tulio Magno Quites Machado Filho wrote:
> The Fedora LLVM team is planning to retire the remaining compat packages for
> LLVM 14, 15 and 16 by July 4th.
>
> The complete list of packages is:
> llvm14: used by golang-tinygo-x-llvm, python-llvmlite
> llvm15: used by clang15, golang-tinygo-x-llvm, intel-igc, intel-opencl-clang,
>         lld15, openshadinglanguage, spirv-llvm15.0-translator
> clang15: used by clang15, golang-tinygo-x-llvm, intel-igc,
>          intel-opencl-clang, lld15, openshadinglanguage,
>          spirv-llvm15.0-translator
> lld15: used by intel-igc
> llvm16: used by clang16, golang-tinygo-x-llvm, ldc, lfortran, lld16
> clang16
> lld16
>
> If anybody would like to keep maintaining these packages in Fedora, we would
> gladly transfer ownership of them.
> Keep in mind they are not supported by upstream anymore.

[Frantisek Zatloukal]

On Sun, Jun 30, 2024 at 6:07 PM Ben Beasley  wrote:
> The latest upstream release of python-llvmlite now has “experimental”
> support for LLVM 15, and the package is now built with LLVM 15 in Rawhide.
> Upstream plans to support LLVM 17 or later “eventually,” but the timeline
> is indefinite (https://github.com/numba/llvmlite/issues/1048). After some
> discussion with co-maintainers of the python-llvmlite package in the
> neuro-sig, we agree that we don’t have the collective or individual
> appetite to maintain llvm15, and we expect to orphan the python-llvmlite
> package if llvm15 is retired as planned. This will impact sympy, which has
> python-llvmlite as an optional dependency, but it should be sufficient for
> the sympy package to simply drop its BuildRequires on %{py3_dist llvmlite}
> if and when python-llvmlite is ultimately retired.

I've taken over llvm (and rest, including spirv-llvm-translator) 15
maintenance as intel compute stack still depends on it (
https://github.com/intel/intel-graphics-compiler/issues/289 ). I'll try my
best to keep it building, running and working and I'll send out a separate
email once my need for it ceases to exist.
> On 6/27/24 2:07 PM, Tulio Magno Quites Machado Filho wrote:
>
> The Fedora LLVM team is planning to retire the remaining compat packages for
> LLVM 14, 15 and 16 by July 4th.
>
> The complete list of packages is:
> llvm14: used by golang-tinygo-x-llvm, python-llvmlite
> llvm15: used by clang15, golang-tinygo-x-llvm, intel-igc, intel-opencl-clang,
>         lld15, openshadinglanguage, spirv-llvm15.0-translator
> clang15: used by clang15, golang-tinygo-x-llvm, intel-igc,
>          intel-opencl-clang, lld15, openshadinglanguage,
>          spirv-llvm15.0-translator
> lld15: used by intel-igc
> llvm16: used by clang16, golang-tinygo-x-llvm, ldc, lfortran, lld16
> clang16
> lld16
>
> If anybody would like to keep maintaining these packages in Fedora, we would
> gladly transfer ownership of them.
> Keep in mind they are not supported by upstream anymore.
>
> --
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