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{{admon/important | Comments and Explanations | The page source contains comments providing guidance to fill out each section. They are invisible when viewing this page. To read it, choose the "view source" link.<br/> '''Copy the source to a ''new page'' before making changes!  DO NOT EDIT THIS TEMPLATE FOR YOUR CHANGE PROPOSAL.'''}}
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<!-- The actual name of your proposed change page should look something like: Changes/Your_Change_Proposal_Name.  This keeps all change proposals in the same namespace -->
<!-- The actual name of your proposed change page should look something like: Changes/Your_Change_Proposal_Name.  This keeps all change proposals in the same namespace -->


= LLVM 15 <!-- The name of your change proposal --> =
= LLVM 15 <!-- The name of your change proposal --> =
{{Change_Proposal_Banner}}


== Summary ==
== Summary ==
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== Current status ==
== Current status ==
[[Category:ChangePageIncomplete]]
[[Category:ChangeAcceptedF37]]
<!-- When your change proposal page is completed and ready for review and announcement -->
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ON_QA -> change is fully code complete
ON_QA -> change is fully code complete
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* FESCo issue: <will be assigned by the Wrangler>
* [https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/EAYAO5E5IWTWZQKM26RHOOYUGSX5PSHV/ devel thread]
* Tracker bug: <will be assigned by the Wrangler>
* FESCo issue: [https://pagure.io/fesco/issue/2806 #2806]
* Release notes tracker: <will be assigned by the Wrangler>
* Tracker bug: [https://bugzilla.redhat.com/show_bug.cgi?id=2100620 #2100620]
* Release notes tracker: [https://pagure.io/fedora-docs/release-notes/issue/849 #849]


== Detailed Description ==
== Detailed Description ==
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3. What are the expected results of those actions?
3. What are the expected results of those actions?
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The CI tests for the llvm sub-packages in Fedora will be used to catch regressions that might be potentially introduced by the update to LLVM 15.
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== User Experience ==
== User Experience ==
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== Dependencies ==
== Dependencies ==
<!-- What other packages (RPMs) depend on this package?  Are there changes outside the developers' control on which completion of this change depends?  In other words, completion of another change owned by someone else and might cause you to not be able to finish on time or that you would need to coordinate?  Other upstream projects like the kernel (if this is not a kernel change)? -->
<!-- What other packages (RPMs) depend on this package?  Are there changes outside the developers' control on which completion of this change depends?  In other words, completion of another change owned by someone else and might cause you to not be able to finish on time or that you would need to coordinate?  Other upstream projects like the kernel (if this is not a kernel change)? -->
 
This change can be made without updating any other packages. However, as mention before, packages that need to use LLVM 14 will need to update their spec file on their first rebuild after this change.
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== Contingency Plan ==
== Contingency Plan ==


<!-- If you cannot complete your feature by the final development freeze, what is the backup plan?  This might be as simple as "Revert the shipped configuration".  Or it might not (e.g. rebuilding a number of dependent packages).  If you feature is not completed in time we want to assure others that other parts of Fedora will not be in jeopardy.  -->
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* Contingency mechanism: (What to do?  Who will do it?) N/A (not a System Wide Change)  <!-- REQUIRED FOR SYSTEM WIDE CHANGES -->
* Contingency mechanism: (What to do?  Who will do it?) Contingency mechanism: (What to do? Who will do it?): If there are major problems with LLVM 15, the compatibility package provide a way for other packages to continue using LLVM 14. <!-- REQUIRED FOR SYSTEM WIDE CHANGES -->
<!-- When is the last time the contingency mechanism can be put in place?  This will typically be the beta freeze. -->
<!-- When is the last time the contingency mechanism can be put in place?  This will typically be the beta freeze. -->
* Contingency deadline: N/A (not a System Wide Change) <!-- REQUIRED FOR SYSTEM WIDE CHANGES -->
* Contingency deadline: Final Freeze <!-- REQUIRED FOR SYSTEM WIDE CHANGES -->
<!-- Does finishing this feature block the release, or can we ship with the feature in incomplete state? -->
<!-- Does finishing this feature block the release, or can we ship with the feature in incomplete state? -->
* Blocks release? N/A (not a System Wide Change), Yes/No <!-- REQUIRED FOR SYSTEM WIDE CHANGES -->
* Blocks release? No <!-- REQUIRED FOR SYSTEM WIDE CHANGES -->
 


== Documentation ==
== Documentation ==
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N/A (not a System Wide Change)
Release notes will be added for this change.


== Release Notes ==
== Release Notes ==
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Release Notes are not required for initial draft of the Change Proposal but has to be completed by the Change Freeze.  
Release Notes are not required for initial draft of the Change Proposal but has to be completed by the Change Freeze.  
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LLVM sub-projects in Fedora have been updated to version 15:
    llvm
    clang
    lld
    lldb
    compiler-rt
    libomp
    llvm-test-suite
    libcxx
    libcxxabi
    python-lit
    flang
    mlir
    polly
    libclc
    llvm-unwind

Latest revision as of 16:06, 1 July 2022


LLVM 15

Summary

Update all llvm sub-projects in Fedora Linux to version 15.

Owner

Current status

Detailed Description

All llvm sub-projects in Fedora will be updated to version 15, and there will be a soname version change for the llvm libraries. Compatibility packages clang14 and llvm14 will be added to ensure that packages that currently depend on clang and llvm version 14 libraries will continue to work.

Feedback

Benefit to Fedora

New features and bug fixes provided by the latest version of LLVM.

Scope

  • Proposal owners:
    • Review existing llvm and clang compatibility packages and orphan any packages that are no longer used.
    • Build release candidates into @fedora-llvm-team/llvm15 COPR.
    • Build final release (Sep 2022) into Rawhide and F37 branches.
  • Other developers:
    • Maintainers of packages that depend on clang-libs or llvm-libs will need to update their spec files to depend on the clang14 and llvm14 compatibility packages if they want to rebuild their package and it does not work with LLVM 15 yet. The key point here is that spec file changes are only needed if a package is going to be rebuilt after LLVM 15 is added to Fedora. The compatibility packages will ensure that already built packages continue to work.
  • Policies and guidelines: N/A (not needed for this Change)
  • Trademark approval: N/A (not needed for this Change)
  • Alignment with Objectives:

Upgrade/compatibility impact

This change should not impact upgradeability.

How To Test

The CI tests for the llvm sub-packages in Fedora will be used to catch regressions that might be potentially introduced by the update to LLVM 15.

User Experience

Dependencies

This change can be made without updating any other packages. However, as mention before, packages that need to use LLVM 14 will need to update their spec file on their first rebuild after this change.

Contingency Plan

  • Contingency mechanism: (What to do? Who will do it?) Contingency mechanism: (What to do? Who will do it?): If there are major problems with LLVM 15, the compatibility package provide a way for other packages to continue using LLVM 14.
  • Contingency deadline: Final Freeze
  • Blocks release? No

Documentation

Release notes will be added for this change.

Release Notes

LLVM sub-projects in Fedora have been updated to version 15: 

   llvm
   clang
   lld
   lldb
   compiler-rt
   libomp
   llvm-test-suite
   libcxx
   libcxxabi
   python-lit
   flang
   mlir
   polly
   libclc
   llvm-unwind
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