[Bug 2076309] Re: [SRU] xfsprogs missing frame pointer

[Zixing Liu]

> What is this about, is this package an FTBFS in noble without this
change? Do you have more details? I would have preferred a separate bug
for it, if the explanation is not trivial.

We will have a regression for this package because we moved some systemd
package files into systemd-dev later in the Noble development cycle,
causing the xfsprogs package to contain fewer files than the current
version of the package in the archive.

** Changed in: xfsprogs (Ubuntu Noble)
       Status: Incomplete => New

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https://bugs.launchpad.net/bugs/2076309

Title:
  [SRU] xfsprogs missing frame pointer

Status in xfsprogs package in Ubuntu:
  Fix Released
Status in xfsprogs source package in Noble:
  New
Status in xfsprogs source package in Oracular:
  Fix Released

Bug description:
  xfsprogs missing frame pointer despite the build flags already contain
  compiler flags to enable frame pointers.

  [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

  You can also check the build logs for build flags like `-fno-omit-
  frame-pointer`.

  [Where problems could occur]

  * A distribution-specific patch was applied to fix the build with security hardening flags enabled.
  * 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.

  Bug reference with similar SRU -
  https://bugs.launchpad.net/ubuntu/+source/ipvsadm/+bug/2071949

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