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[Sebastien Bacher <2124959@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

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)};
      |                                 ^~~~~~~~~~~~~~~~~~~~~~~~

** Affects: jpeg-xl (Ubuntu)
     Importance: Undecided
     Assignee: Simon Chopin (schopin)
         Status: New


** Tags: dcr-incoming ftbfs

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

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

Status in jpeg-xl package in Ubuntu:
  New

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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