[Bug 2169693] Re: liberasurecode 1.6.3-2 FTBFS: liberasurecode_crc32_alt declaration mismatch (-Werror=lto-type-mismatch)

[Launchpad Bug Tracker]

This bug was fixed in the package liberasurecode - 1.6.3-2ubuntu1

---------------
liberasurecode (1.6.3-2ubuntu1) stonking; urgency=medium

  * debian/patches/git-build-fix.patch:
    - cherry pick an upstream change to fix the build (lp: #2169693)

 -- Sebastien Bacher <seb128 at ubuntu.com>  Tue, 06 Oct 2026 15:53:50
+0200

** Changed in: liberasurecode (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/2169693

Title:
  liberasurecode 1.6.3-2 FTBFS: liberasurecode_crc32_alt declaration
  mismatch (-Werror=lto-type-mismatch)

Status in liberasurecode package in Ubuntu:
  Fix Released

Bug description:
  liberasurecode 1.6.3-2 (main) fails to build in stonking on all
  architectures, so it has been stuck in proposed for 137 days:

    include/erasurecode/alg_sig.h:60:5: error: type of 'liberasurecode_crc32_alt' does not match original declaration [-Werror=lto-type-mismatch]
    utils/chksum/crc32.c:92:1: note: type 'size_t' should match type 'int'

  The header declares the size parameter as int, while the function is
  defined (and always was) with size_t. It is a real bug, which LTO now
  turns into a build failure. It is fixed upstream in 1.6.4 by
  https://opendev.org/openstack/liberasurecode/commit/e97809b89ee352fb55284a905670e19e7586f2c6
  (upstream bug https://bugs.launchpad.net/liberasurecode/+bug/2051613).
  Debian unstable still has 1.6.3-2, so the problem is the same there.

  The "dh: error: Unknown sequence /usr/share/openstack-pkg-
  tools/pkgos.make" lines in the build log are harmless (an optional
  -include in debian/rules) and not the cause.

  Fix: cherry-pick the upstream commit (only
  include/erasurecode/alg_sig.h changes). Tested in a stonking
  container: 1.6.3-2ubuntu1 with the patch builds fine.

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