[Bug 2061834] Re: apt build-dep . fails to parse build dependencies

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 2.9.3

---------------
apt (2.9.3) unstable; urgency=medium

  [ Julian Andres Klode ]
  * Initial implementation ("alpha") of the 3.0 solver:
    This new solver is available using the --solver 3.0 option.
    Highlights:
    - Fully backtracking solver, think DPLL without pure literal elimination
    - Manually installed packages are not offered up for removal
    - New --no-strict-pinning option allows APT to fallback to non-candidate
      versions, e.g. apt install --no-strict-pinning foo/experimental installs
      foo from experimental and will switch dependencies where needed.
    - Autoremove is more aggressive and only keeps the strongest automatically
      installed package. For example, gcc-<version> will now be offered for
      removal and no longer kept around due libtool Depends: gcc | c-compiler
      and gcc-<version> Provides: c-compiler, as `gcc` is already satisfied.
    Caveats right now:
    - Test suite is not yet passing
    - The list of automatically removable packages is not displayed
      when automatically installed packages are not removed
    - Error information gets lost on backtracking (see Debug::APT::Solver=2)
    - Error information is just rendered as A -> B implication graphs,
      with some nodes perhaps containing a "not".
    - The logic for replacing obsolete manually installed packages with
      new replacement packages (think Conflits/Replaces/Provides) is not
      yet implemented.
    - Conflict-driven clause learning is not implemented, so backtracking
      is technically pretty inefficient.
  * Solver3 integration fixes:
    - test: Ignore progress output in comparing output..
    - test-allow-scores-for-all-dependency-types: Adjust for solver3
    - EDSP: Add "solver3" alias for apt-internal-solver
  * UI work:
    - Highlight essential removals with action::remove color
    - The text of notices and audits shall not be bold
    - Separate columns by 2 spaces in lists (Closes: #1070064)
  * Support src:name shortcuts in showsrc, source, build-dep commands

  [ David Kalnischkies ]
  * Do not ignore if a cmake execute_process fails
  * Avoid figuring which kept pkgs are phased if we don't display it
  * Match version constraints before saving garbage packages
  * Do not upgrade rev-deps ear-marked for removal
  * Drop sudo-related envvars in testing framework
  * Add test for dealing with unsat Suggests promoted to Recommends
  * Allow parsing an empty Provides line (Closes: #1069874)

  [ Frans Spiesschaert ]
  * Dutch program translation update (Closes: #1070142)
  * Dutch manpages translation update (Closes: #1070143)

 -- Julian Andres Klode <jak at debian.org>  Tue, 14 May 2024 13:01:31
+0200

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

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https://bugs.launchpad.net/bugs/2061834

Title:
  apt build-dep . fails to parse build dependencies

Status in apt package in Ubuntu:
  Fix Released

Bug description:
  seen in trantor 1.5.12+ds-1ubuntu3:

  Build-Depends: cmake, debhelper-compat (=13), dh-cmake, dh-cmake-
  compat (=1)

  replacing (=1) with (= 1) lets the parsing succeed.

  $ sudo apt build-dep .
  Note, using directory '.' to get the build dependencies
  Reading package lists... Done
  E: Problem parsing dependency: Build-Depends
  E: Unable to get build-dependency information for .

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