[Bug 1629989] Re: FFe: Sync libpfm4 4.7.0+git30-gd422ba2-1 (main) from Debian unstable (main)

[Andreas Beckmann]

On 2016-10-03 23:10, Steve Langasek wrote:
> The new libpfm4 version seems to include changes besides just adding new
> code for enabling the new CPUs, and it's non-trivial to see from source
> review what impact this may have on existing uses.  Could we have some
> analysis of these changes, and their potential risk to the release?
> 
> There's also this packaging change:
> 
> +# see FEATURE AREAS in dpkg-buildflags(1)
> +export DEB_BUILD_MAINT_OPTIONS = hardening=+all,-pie
> 
> This explicitly disables PIE, which is enabled by default on amd64 and
> s390x in yakkety.  Why should we want to disable PIE?  There's no
> explanation in the debian changelog.

PIE wasn't enabled in Debian before that change and IIRC I had some
build problems on i386 or amd64 or ??? and therefore explicitly didn't
turn on PIE. I'll have a look at this again within the next weeks.


Andreas

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Title:
  FFe: Sync libpfm4 4.7.0+git30-gd422ba2-1 (main) from Debian unstable
  (main)

Status in libpfm4 package in Ubuntu:
  Incomplete
Status in papi package in Ubuntu:
  Triaged

Bug description:
  Please sync libpfm4 4.7.0+git30-gd422ba2-1 (main) from Debian unstable
  (main)

  Explanation of FeatureFreeze exception:
  Request from Debian maintainer, enables support for latest Intel CPUs, including Knights Landing.

  Changelog entries since current yakkety version
  4.7.0+git11-gbfb9baf-1:

  libpfm4 (4.7.0+git30-gd422ba2-1) unstable; urgency=medium

    * New upstream GIT snapshot.
    * Overhaul buildflags usage and enable more hardening.
    * Fix i386 (cross-)build with x86_64 uname.
    * typos.patch: Fix some more typos.

   -- Andreas Beckmann <anbe at debian.org>  Mon, 19 Sep 2016 02:21:25
  +0200

  Also, please sync papi 5.5.0-2 (universe) from Debian unstable (main)

  Changelog entries since current yakkety version 5.4.3-3:

  papi (5.5.0-2) unstable; urgency=medium

    * Fix upgrade from jessie with Breaks+Replaces: libpapi5.3.
    * Fix build on hppa, thanks to Helge Deller.  (Closes: #838321)

   -- Andreas Beckmann <anbe at debian.org>  Fri, 23 Sep 2016 12:14:28
  +0200

  papi (5.5.0-1) unstable; urgency=medium

    * New upstream release.
    * Refresh patches.
    * fix-typos.patch: Fix some more typos.
    * Bump libpfm4-dev B-D to >= 4.7.0+git30.
    * Restore reproducibility.
    * Upload to unstable.

   -- Andreas Beckmann <anbe at debian.org>  Mon, 19 Sep 2016 09:40:23
  +0200

  papi (5.4.3-4) experimental; urgency=medium

    * Upstream has clarified what composes the library API.
    * Soversion change: 5.4.3 -> 5. Rename package libpapi5.4.3 to libpapi5.
    * Drop support for changing the Soversion frequently.
    * Overhaul buildflags usage and enable more hardening.
    * Upload to experimental.

   -- Andreas Beckmann <anbe at debian.org>  Sun, 29 May 2016 10:39:59
  +0200

  All reverse-dependencies built in my PPA, except eztrace-contrib on
  amd64, due to LP: #1629274.

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