NB the readelf commands used above come from
https://wiki.ubuntu.com/SecurityTeam/Roadmap/ExecutableStacks

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https://bugs.launchpad.net/bugs/1974091

Title:
  no-longer-needed build-dep on execstack

Status in nvidia-graphics-drivers-470 package in Ubuntu:
  New

Bug description:
  The nvidia packages in Ubuntu have a build-dep on execstack, as
  requested in bug #409456.

  That bug was filed 13 years ago, about the fact that the upstream
  binaries were built with executable stack.  They've been rebuilt a few
  times since then, and there are no longer any upstream binaries with
  an executable stack:

  $ find NVIDIA-Linux/ -name *.so* | xargs -n1 readelf -lW | grep GNU_STACK.*E  
  $ readelf -SW NVIDIA-Linux/nvidia-{smi,xconfig,persistenced} | grep 
GNU_STACK.*E
  $

  So the current use of execstack is a no-op.

  The execstack binary is built from prelink, which was dropped from
  Debian over a year ago.

  Please drop this build-dependency from all the nvidia packages so that
  we can drop prelink from the archive.

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