Chris Adams <linux@xxxxxxxxxxx> writes: > Once upon a time, Zbigniew Jędrzejewski-Szmek <zbyszek@xxxxxxxxx> said: >> On Tue, Apr 04, 2023 at 11:17:50AM +0200, Jakub Jelinek wrote: >> > Why a subrpm? Should be possible to just arrange for one src.rpm to >> > build the library twice and install the x86-64-v3 into >> > /usr/lib64/glibc-hwcaps/x86-64-v3/ >> > Perhaps come with some macro to simplify that for packagers. >> >> If we start compiling libaries twice, it'd double the package sizes >> (or actually more than double, since in the benchmarks the code size >> with -v3 is also increased slightly). I assume people would want to >> get the optimized form split out to a subpackage so people who don't >> use this, don't pay the price. If we use the new "dynamic subpackages" >> feature of RPM, and some smart macros, this could even not be a big >> packaging burden. > > 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 Cheers, Dan _______________________________________________ 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, report it: https://pagure.io/fedora-infrastructure/new_issue