Public bug reported:
glibc-2.23 will introduce an important ABI change for Power. It will be
a prerequisite for __builtin_cpu_is() and __builtin_cpu_supports() in
gcc.
The __builtin_cpu_is () / __builtin_cpu_supports() are required to bring Power
on-par with Intel regarding CPU and capability identification during runtime,
allowing our customers to optimize their code path to the Power processor they
are running on.
These gcc builtins will be disabled when the binary is built against a
glibc older than 2.23, making glibc-2.23 a requirement for this feature
to work.
This version of glibc will be released in early February/2016.
** Affects: ubuntu
Importance: Undecided
Assignee: Taco Screen team (taco-screen-team)
Status: New
** Tags: architecture-ppc64le bot-comment bugnameltc-133658 severity-medium
targetmilestone-inin1604
** Tags added: architecture-ppc64le bugnameltc-133658 severity-medium
targetmilestone-inin1604
** Changed in: ubuntu
Assignee: (unassigned) => Taco Screen team (taco-screen-team)
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https://bugs.launchpad.net/bugs/1521172
Title:
[Ubuntu 16.04] Use glibc-2.23 in Ubuntu 16.04
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