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List:       fedora-devel-list
Subject:    F27 System Wide Change: The GNU C Library version 2.26
From:       Jaroslav Reznik <jreznik () redhat ! com>
Date:       2017-07-06 14:45:22
Message-ID: CAMDqk55jOonuPrayid7EE68TBeh0VqThTS2K88bo-xp88-jRRQ () mail ! gmail ! com
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= System Wide Change: The GNU C Library version 2.26 =
https://fedoraproject.org/wiki/Changes/GLIBC226

Change owner(s):
* Carlos O'Donell <carlos@redhat.com>

Switch glibc in Fedora 27 to glibc version 2.26.

== Detailed Description ==
The GNU C Library version 2.26 will be released at the beginning of
August 2017; we have started closely tracking the glibc 2.26
development code in Fedora Rawhide and are addressing any issues as
they arise. Given the present schedule Fedora 27 will branch after the
GLIBC 2.26 upstream release. However, the mass rebuild schedule means
Fedora 27 will mass rebuild just after GLIBC 2.26 upstream freezes ABI
for release, so careful attention must be paid to any last minute ABI
changes.

== Scope ==
* Proposal owners: Update glibc to 2.26 from tested upstream release.

* Other developers: Developers need to ensure that rawhide is stable
and ready for the Fedora 27 branch. Given that glibc is backwards
compatible and we have been testing the new glibc in rawhide it should
make very little impact when updated.

* Release engineering: [1] All Fedora releases must be released using
a released version of glibc. The Fedora glibc team is responsible for
ensuring that Fedora Rawhide stabilizes ABI before a Fedora release,
or that after the branch that the Fedora release is rebased (a very
small rebase) to the final released version. This is a requirement for
Fedora to inherit the ABI and API guarantees provided by upstream. If
a mass rebuild is required by glibc or other components, the Fedora
glibc team will ensure coordination with release engineering such that
a mass rebuild uses the released version of glibc to fix any last
minute ABI changes. The GNU C Library (glibc) does not require a mass
rebuild for this release.

* List of deliverables: all

* Policies and guidelines: The policies and guidelines do not need to
be updated.

* Trademark approval: N/A (not needed for this Change)

[1] https://pagure.io/releng/issue/6890

Thanks,
Jaroslav
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