[Pkg-electronics-devel] Bug#1003495: gcc-xtensa-lx106: reproducible builds: embeds path to various binaries

[Vagrant Cascadian]

Source: gcc-xtensa-lx106
Severity: normal
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: usrmerge shell
X-Debbugs-Cc: reproducible-bugs at lists.alioth.debian.org

The paths to various binaries are embedded which differs on a usrmerge
vs. non-usrmerge system.

  https://tests.reproducible-builds.org/debian/rb-pkg/bookworm/amd64/diffoscope-results/gcc-xtensa-lx106.html

  ./usr/lib/gcc/xtensa-lx106-elf/10.3.1/install-tools/fixincl
 	
  /bin/sed	
vs.
  /usr/bin/sed

  ./usr/lib/gcc/xtensa-lx106-elf/10.3.1/install-tools/mkheaders

  for·shell·in·$CONFIG_SHELL·$SHELL·/bin/bash·/bin/sh·"";·do
vs.
  for·shell·in·$CONFIG_SHELL·$SHELL·/bin/sh·/bin/sh·"";·do


Patch attached which passes variables to configure to use the
non-usrmerge locations, as usrmerge installations typically have
compatibility symlinks, but not vice-versa. The patch also sets
variables to ensure consistent values for bash, which can be triggered
when /bin/sh points to bash.


This patch alone does not fix all reproducibility issues (e.g. build
paths, which are only tested on unstable and experimental), but it
should build reproducibly in bookworm/testing once binutils-xtensa-lx106
is built with deterministic archives enabled:

  https://bugs.debian.org/1003494


Thanks for maintaining gcc-xtensa-lx106!


live well,
  vagrant
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