On Fri, Jul 30, 2021 at 3:40 PM Richard Purdie <[email protected]> wrote: > > On Wed, 2021-07-28 at 16:43 +0100, Richard Purdie via lists.openembedded.org > wrote: > > I think the challenge is going to be the flag day issue for master branches. > > For example, there is code in devtool and other places which knows about the > > override character. If we allow mixing the different syntax for master then > > those tools need to complicate things by referencing both characters. To try > > and preserve what is left of my sanity, I'm starting to think we just > > require > > layers to migrate to the new syntax to continue to work with master. The > > good > > news is that those converted layers should work with dunfell and older > > releases > > where the layer already does that with the backported bitbake syntax update. > > > > If we accept that we need to have a flag day for master use, the question is > > when. We could pick some data well in the future or even post 3.4 however > > I'm > > not sure this buys much and we probably may as well get on and do it. > > > > Given these things, I therefore propose that we should start these changes > > and require it for master, probably relatively quickly within a couple of > > weeks? > > I have continued to work on this and I now think we're as ready as we'll ever > be with the core. I have: > > * submitted a section for the migration guide documenting the conversion > process > * increased the minimum bitbake version for OE-Core > * bumped the local.conf version to require new versions of the config file > * added an error to bitbake if it sees "_append"|"_prepend"|"_remove" in > variable names which would suggest an unconverted layer. If you use those > in function names in the datastore that was never a good idea and is no > longer supported. > * merged compatibility changes back to bitbake 1.50, 1.48 and 1.46 > * merged the conversion script to OE-Core > * merged submitted tweaks to the conversion script (thanks Martin!) > * made OE-Core honister only, no longer supporting hardknott > * updated converted layers to be honister compatible > * converted autobuilder-helper to use the new syntax > * ensured all of a-quick builds on the autobuilder > * submitted patches for meta-yocto, meta-gplv2, meta-mingw and bitbake > > I plan to merge these various things on Monday (2nd August). After that time, > unconverted layers will no longer work with master. > > Cheers, > > Richard > > > > Thank you very much Martin and Richard. Cheers A.A.
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