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[Launchpad Bug Tracker <2124959@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package highway - 1.2.0-3ubuntu4

---------------
highway (1.2.0-3ubuntu4) questing; urgency=medium

  * Cherry-pick an upstream patch to fix GCC15 build (LP: #2124959)
  * Force use of GCC-14 on ppc64el to work around codegen issue (LP: #2121375)
  * Disable LTO on riscv64 to work aroung GCC15 (LP: #2121375)

 -- Simon Chopin <schopin@xxxxxxxxxx>  Wed, 01 Oct 2025 15:21:12 +0200

** Changed in: highway (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/2124959

Title:
  jpeg-xl ftbfs on ppc64el/s390x in questing archive rebuild

Status in highway package in Ubuntu:
  Fix Released
Status in jpeg-xl package in Ubuntu:
  Triaged

Bug description:
  The package fails to build in the recent archive rebuild
  https://people.canonical.com/~ginggs/ftbfs-report/test-rebuild-20250910-questing-questing.html

  In file included from /usr/include/hwy/highway.h:586,
                   from /<<PKGBUILDDIR>>/lib/jxl/compressed_dc.cc:19,
                   from /usr/include/hwy/foreach_target.h:277,
                   from /<<PKGBUILDDIR>>/lib/jxl/compressed_dc.cc:18:
  /usr/include/hwy/ops/ppc_vsx-inl.h: In function ‘hwy::N_PPC10::VFromD<D> hwy::N_PPC10::PromoteTo(D, VFromD<typename D::Rebind<float> >)’:
  /usr/include/hwy/ops/ppc_vsx-inl.h:3692:33: error: there are no arguments to ‘__builtin_vsx_xvcvspsxds’ that depend on a template parameter, so a declaration of ‘__builtin_vsx_xvcvspsxds’ must be available [-Wtemplate-body]
   3692 |   return VFromD<decltype(di64)>{__builtin_vsx_xvcvspsxds(raw_v)};
        |                                 ^~~~~~~~~~~~~~~~~~~~~~~~

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