On 4/4/23 10:28, Dan Čermák wrote:
Chris Adams <linux@xxxxxxxxxxx> writes:
Yeah, it'd be back to the i386/i586/i686 days... which was a bit of a
PITA sometimes. But cramming multiple architectures of core libraries
into a single RPM would be bad for disk space, image size, downloads,
etc.
But something that didn't exist in the i386/i686 days is containers -
whether base images like for podman or full things like Flatpaks.
Before going too deep into multi-level architectures, that should be
taken into account.
Afaik at least container runtimes do not support really support x86_64
subarchitectures: https://github.com/containers/podman/discussions/15256
The situation in the RISC-V universe is even more complicated because of
all the extensions
https://en.wikichip.org/wiki/risc-v/standard_extensions
It'll be challenging to write and package software that is portable
between all those variants---the fat binaries are just not practical due
to combinatorial complexity, so it'll have to be either install-time or
link-time configuration.
Whatever standard scheme Fedora uses for x86 will hopefully be very
useful for RiSC-V era that is apparently coming, with Linux-capable SBC
boards like VisionFive ($65) and Pine64 ($70 and $8 (!) ox64) just
becoming available, and a lot of activity on the horizon.
https://www.reddit.com/r/RISCV/comments/11wdk2i/riscv_linux_sbcs_how_are_we_doing/
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