On Mon, Dec 13, 2021 at 2:38 PM Ben Cotton <bcotton@xxxxxxxxxx> wrote: > > https://fedoraproject.org/wiki/Changes/GHC_parallel_version_installs > > > == Summary == > Introduce ghcX.Y packages to Fedora which can be parallel installed, > in addition to the main ghc package. > > == Owner == > * Name: [[User:Petersen|Jens Petersen]] > * Email: petersen@xxxxxxxxxx > > > == Detailed Description == > Currently ghc modules are available in Fedora but they cannot be > installed in parallel. > This Change will enable being able to easily install multiple versions > of ghc in parallel, > which can be useful for development - both for working on different projects > and testing projects for compatibility across different ghc versions. > > == Feedback == > This was proposed to the Fedora Haskell mailing list already and so > far there were no objections. > > == Benefit to Fedora == > Parallel installs of ghc versions will allow more flexible Haskell > development using Fedora Linux. > > == Scope == > * Proposal owners: > ** update ghc-rpm-macros to support the packaging [done] > ** add ghc9.2 [built for rawhide] > ** add ghc9.0 [repo created] > ** add ghc8.10 [may not be needed for F36] > ** add ghc8.8 [stretch goal] > ** add cabal-install3.4 and/or cabal-install3.6 [stretch goal] > ** also backport ghcX.Y's to F35, F34, and EPEL > > * Other developers: N/A > * Release engineering: N/A > * Policies and guidelines: N/A (not needed for this Change) > * Trademark approval: N/A (not needed for this Change) > * Alignment with Objectives: N/A > > == Upgrade/compatibility impact == > > These are new packages so upgrading from older releases should be fine. > Eventually future Fedora version upgrades will probably need to > obsolete very old ghcX.Y versions. > > == How To Test == > 1. dnf install ghc ghc9.2 ghc9.0 > > == User Experience == > Installing ghc, ghc9.0, and ghc9.2 will give you /usr/bin/ghc, > /usr/bin/ghc-9.0.x and /usr/bin/ghc-9.2.x. > Their Haskell libraries will have ghc versioned directories and .so files. > > == Dependencies == > N/A > > > == 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) > > > == Documentation == > N/A (not a System Wide Change) > > == Release Notes == > With the introduction of versioned ghcX.Y packages multiple versions > of the Haskell GHC compiler can now be installed parallel in the > Fedora Linux. > So will the default version be the "ghc" package going forward? How will defaults be handled in future Fedora Linux releases? -- 真実はいつも一つ！/ Always, there's only one truth! _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
