[Bug 2074330] Re: [SRU] please enable framepointer for libio-dirent-perl

[Timo Aaltonen]

Hello Vladimir, or anyone else affected,

Accepted libio-dirent-perl into noble-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/libio-
dirent-perl/0.05-1.1ubuntu0.1 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
noble to verification-done-noble. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-noble. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: libio-dirent-perl (Ubuntu Noble)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-noble

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https://bugs.launchpad.net/bugs/2074330

Title:
  [SRU] please enable framepointer for libio-dirent-perl

Status in libio-dirent-perl package in Ubuntu:
  Fix Released
Status in libio-dirent-perl source package in Noble:
  Fix Committed
Status in libio-dirent-perl source package in Oracular:
  Fix Released
Status in libio-dirent-perl package in Debian:
  Fix Released

Bug description:
  [Impact]

  In order to help developers with profiling, Ubuntu enabled frame-
  pointers for packages in the main archive.

  https://ubuntu.com/blog/ubuntu-performance-engineering-with-frame-
  pointers-by-default

  The `Affects` packages were missed due to the packaging issues. These
  have been fixed on Oracular and can now be ported to Noble.

  [Test Plan]

  Look at the DW_AT_producer in the associated debug ELF file for flags.
  -fno-omit-frame-pointer should be present after the fix.

  The following scripts can be used as a reference
  https://gist.github.com/julian-klode/85e55553f85c410a1b856a93dce77208
  https://gist.github.com/julian-klode/95818246eaef0ac6a54588f7f368e25c

  Run the smoke test:

  $apt-get install libio-dirent-perl
  $apt source libio-dirent-perl
  cd to package source directory
  $sed -i 's/use blib;//g' test.pl
  $perl test.pl

  Expected output:
  ok 1
  ok 2
  ok 3

  [Where problems could occur]

  No source changes are made. The packaging fixes have enabled other
  security hardening flags. This could have unintended effects.

  [Other Info]

  changes in dpkg have been made to make sure frame-pointers are not
  enabled on s390x and ppc64el.

  [Original Description]
  Note: libio-dirent-perl has very old packaging that has not been updated for a while.

  The package can be switched to a modern debhelper version and this
  will allow to make it honour dpkg build flags.

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