On 3/2/21 9:12 PM, Allan McRae via arch-dev-public wrote: > On 3/3/21 11:56 am, Filipe Laíns wrote: >> On Wed, 2021-03-03 at 11:10 +1000, Allan McRae via arch-dev-public wrote: >>> On 3/3/21 11:03 am, Eli Schwartz via arch-dev-public wrote: >>>> I wonder, might this be an interesting time to reintroduce multiple >>>> architectures? >>>> >>>> We used to offer i686 and x86_64. >>>> >>>> Maybe now we could offer x86_64, x86_64-v2, and x86_64-v3. Or go right >>>> to -v4. >>>> >>> >>> That is a possibility that has been discussed over the years. It was >>> previously decided that we needed other architecture builds to be >>> automated, and thus automated package signing. This becomes a >>> possibility once we manage to sign databases (which will hit a decade of >>> pacman support in October!). >>> >>> Allan >> >> Is it possible to get pacman to allow us to enable multiple architectures at >> once and prioritize one of them? This way we could just do x86_64 and the >> maintainer could opt-in into x86_64-* if it makes sense for the package. >> >> This would not introduce new effort to maintainers and would solve the issue >> quite nicely IMO. >> > > No it is not possible in pacman (without abusing fall through when > failing to download a package from a server).
Right, we could have some packages built for arch=(x86_64) but with optimizations and package them in a [community-optimized] repo or something. This seems complicated and doesn't handle conflicting filenames -- which is a serious problem for the server pool and archive. Usually clashes would be eliminated by keying off of the architecture; only one of each package per arch. This would not permit fallthrough though. pacman could, theoretically, learn to support multiple "Architecture"s in pacman.conf, e.g. configure it to support Architecture = x86_64-v2 x86_64 and accept both types of packages. This would be needed in order to support selectively optimizing packages while keeping the same pkgname. -- Eli Schwartz Bug Wrangler and Trusted User
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