Revision as of 06:16, 1 June 2022

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LLVM 15

This is a proposed Change for Fedora Linux.
This document represents a proposed Change. As part of the Changes process, proposals are publicly announced in order to receive community feedback. This proposal will only be implemented if approved by the Fedora Engineering Steering Committee.

Summary

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

Owner

Name: Tom Stellard
Email: <tstellar@redhat.com>

Current status

Targeted release: Fedora Linux 37
Last updated: 2022-06-01
FESCo issue: <will be assigned by the Wrangler>
Tracker bug: <will be assigned by the Wrangler>
Release notes tracker: <will be assigned by the Wrangler>

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.

Release engineering: #10820

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

How To Test

User Experience

Dependencies

Contingency Plan

Contingency mechanism: (What to do? Who will do it?) N/A (not a System Wide Change)
Contingency deadline: N/A (not a System Wide Change)
Blocks release? N/A (not a System Wide Change), Yes/No

Documentation

N/A (not a System Wide Change)

Release Notes

@@ Line 96: / Line 96: @@
 <!-- What work do other developers have to accomplish to complete the feature in time for release?  Is it a large change affecting many parts of the distribution or is it a very isolated change? What are those changes?-->
-* Release engineering: [https://pagure.io/releng/issues #Releng issue number] <!-- REQUIRED FOR SYSTEM WIDE CHANGES -->
+* Release engineering: [https://pagure.io/releng/issues/10820 #10820] <!-- REQUIRED FOR SYSTEM WIDE CHANGES -->
 <!-- Does this feature require coordination with release engineering (e.g. changes to installer image generation or update package delivery)?  Is a mass rebuild required?  include a link to the releng issue.
 The issue is required to be filed prior to feature submission, to ensure that someone is on board to do any process development work and testing and that all changes make it into the pipeline; a bullet point in a change is not sufficient communication -->

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