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  1. 04 Aug, 2014 4 commits
    • Edward Z. Yang's avatar
      Implement package keys, distinguishing packages built with different deps/flags · 41610a0b
      Edward Z. Yang authored
      Previously, the GHC ecosystem assumed that for any package ID (foo-0.1), there
      would only be one instance of it in the installed packages database.  This
      posed problems for situations where you want a package compiled twice against
      different sets of dependencies: they could not both exist in the package
      Package keys are a hash of the package ID and package
      dependencies, which identify a package more uniquely than a package ID, but less
      uniquely than an installed package ID. Unlike installed package IDs, these can
      be computed immediately after dependency resolution, rather than after
      compilation.  Package keys require support from the compiler.  At the moment,
      only GHC 7.10 supports package keys (the reason is that old versions of GHC
      do a sannity check to see that the <pkg-name>-<pkg-version> stored in the
      package database matches with the -package-name embedded in an hi file; so
      the format is fixed.) We fallback to package keys == package IDs for old
      Note: the ./Setup configure fallback script does not try particularly hard to
      pick consistent sets of dependencies.  If your package database is too difficult
      for it to resolve, manually provide installed package IDs or use cabal-install's
      dependency solver.
      Note: This patch *suspends* the reinstall check unless it would result in
      a different package, so cabal-install will now happily reinstall foo-0.1
      compiled against bar-0.2 if foo-0.1 already exists.
      Signed-off-by: default avatarEdward Z. Yang <>
    • Edward Z. Yang's avatar
    • Mikhail Glushenkov's avatar
      Merge pull request #2026 from kgardas/master · 47984faa
      Mikhail Glushenkov authored
      fix `sdist' tar invocation to be compatible with Solaris' tar
    • kgardas's avatar
  2. 02 Aug, 2014 1 commit
  3. 01 Aug, 2014 2 commits
  4. 28 Jul, 2014 1 commit
  5. 27 Jul, 2014 12 commits
  6. 25 Jul, 2014 3 commits
  7. 23 Jul, 2014 3 commits
  8. 21 Jul, 2014 4 commits
  9. 20 Jul, 2014 1 commit
  10. 17 Jul, 2014 9 commits