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On 04 Oct 2016 17:48, Florian Weimer wrote: > On 10/04/2016 05:34 PM, H.J. Lu wrote: > > On Tue, Oct 4, 2016 at 8:24 AM, Florian Weimer <fweimer@redhat.com> wrote: > >> On 10/04/2016 04:47 PM, H.J. Lu wrote: > >>> On Tue, Oct 4, 2016 at 3:52 AM, Florian Weimer <fweimer@redhat.com> wrote: > >>>> On 09/27/2016 07:35 PM, H.J. Lu wrote: > >>>>> I'd like to backport it to 2.23 and 2.24 branches. Any objections? > >>>> > >>>> Just this change, or the requirement for an AVX512F-capable assembler as > >>>> well? > >>> > >>> Good question. This is also needed: > >>> > >>> commit f43cb35c9b3c35addc6dc0f1427caf51786ca1d2 > >>> Author: H.J. Lu <hjl.tools@gmail.com> > >>> Date: Fri Jul 1 05:54:43 2016 -0700 > >>> > >>> Require binutils 2.24 to build x86-64 glibc [BZ #20139] > >> > >> That's not really backportable, I'm afraid. Our users don't expect we break > >> builds in this way. > > > > Who are those users? > > We don't know, really. But moving forward the baseline binutils > requirement in a stable release really contradicts what a stable release > is about. old post, but i agree here. our wiki doesn't cover this explicitly that i can see, but it does: Usually, the interested committers have discretion over which bugfixes to pick for back-porting, but if discussion arises, general consensus of the community is sought, the default choice being to err on the conservative side. Patch backports to stable branches are discussed on libc-stable, and any patch on master that doesn't change ABI or API is immediately suitable for backporting to a stable branch. i think we should add "cannot change INSTALL requirements" to the list of things that are inappropriate. -mike
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