[Bug 1901080] Proposed package removed from archive

[Łukasz Zemczak]

The version of dustmite in the proposed pocket of Focal that was
purported to fix this bug report has been removed because the bugs that
were to be fixed by the upload were not verified in a timely (105 days)
fashion.

** Changed in: dustmite (Ubuntu Focal)
       Status: Fix Committed => Won't Fix

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https://bugs.launchpad.net/bugs/1901080

Title:
  libgphobos1: ABI breakage in SRU

Status in a7xpg package in Ubuntu:
  New
Status in dub package in Ubuntu:
  New
Status in dustmite package in Ubuntu:
  New
Status in gcc-10 package in Ubuntu:
  Confirmed
Status in gunroar package in Ubuntu:
  New
Status in ii-esu package in Ubuntu:
  New
Status in mu-cade package in Ubuntu:
  New
Status in parsec47 package in Ubuntu:
  New
Status in projectl package in Ubuntu:
  New
Status in tatan package in Ubuntu:
  New
Status in titanion package in Ubuntu:
  New
Status in torus-trooper package in Ubuntu:
  New
Status in tumiki-fighters package in Ubuntu:
  New
Status in val-and-rick package in Ubuntu:
  New
Status in a7xpg source package in Focal:
  Won't Fix
Status in dub source package in Focal:
  Won't Fix
Status in dustmite source package in Focal:
  Won't Fix
Status in gcc-10 source package in Focal:
  New
Status in gunroar source package in Focal:
  Fix Committed
Status in ii-esu source package in Focal:
  Fix Committed
Status in mu-cade source package in Focal:
  Fix Committed
Status in parsec47 source package in Focal:
  Fix Committed
Status in projectl source package in Focal:
  Fix Committed
Status in tatan source package in Focal:
  Fix Committed
Status in titanion source package in Focal:
  Fix Committed
Status in torus-trooper source package in Focal:
  Fix Committed
Status in tumiki-fighters source package in Focal:
  Fix Committed
Status in val-and-rick source package in Focal:
  Fix Committed

Bug description:
  gcc-10 was a shipped as a pre-release version in focal, which saw an
  ABI change in libgphobos with the GCC 10.2 release.  Now instead of
  reverting this change, just rebuild the affected packages, mostly some
  games implemented in D, and dub.

  Validation: CHeck the autopkg tests where available, check at least
  one game, that it starts.

  Regression potential: low, no-change rebuilds with the updated GCC
  10.3.

  
  Original report:
  gcc-10 was SRUed to focal, and in the process introduced regressions caused by ABI breakage of libgphobos1.

  This has manifested as failing autopkgtests of the dub package,
  following unrelated SRUs:

  [...]
  autopkgtest [13:52:44]: test run:  - - - - - - - - - - stderr - - - - - - - - - -
  dub: symbol lookup error: dub: undefined symbol: _D3std3net4curl4HTTP9__mixin376onSendMFNdDFAvZmZv
  [...]

  The symbol present in the new version of libgphobos1 is now
  _D3std3net4curl4HTTP9__mixin396onSendMFNdDFAvZmZv instead of
  _D3std3net4curl4HTTP9__mixin376onSendMFNdDFAvZmZv.

  Libraries are not allowed to change ABI without changing binary
  package name.  And for libraries built from such a core package as
  gcc, ABIs should be enforced at package build time to avoid such
  regressions.

  This regression was overlooked at the time of gcc SRU because the
  autopkgtests for gcc uploads are special-cased to not test all
  reverse-dependencies; so it's incumbent on gcc to properly enforce ABI
  stability.

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