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  1. 08 Apr, 2016 1 commit
  2. 29 Mar, 2016 2 commits
    • Edward Z. Yang's avatar
    • Edward Z. Yang's avatar
      Implement "convenience libraries", fixes #269. · 2040c1c9
      Edward Z. Yang authored
      
      
      Convenience libraries are package-private libraries
      that can be used as part of executables, libraries, etc
      without being exposed to the external world.  Private
      libraries are signified using the
      
          library foo
      
      stanza.  Within a Cabal package, the name convenience library
      shadows the conventional meaning of package name in
      build-depends, so that references to "foo" do not indicate
      foo in Hackage, but the convenience library defined in the
      same package. (So, don't shadow Hackage packages!)
      
      This commit implements convenience libraries such that they
      ARE installed the package database (this prevents us from
      having to special case dynamically linked executables);
      in GHC 7.10 and later they are installed under the same
      package name as the package that contained them, but have
      a distinct "component ID" (one pay off of making the distinction
      between component IDs and installed package IDs.)
      
      There is a "default" library which is identified by the fact
      that its library name coincides with the package name.  There
      are some new convenience functions to permit referencing this.
      
      There are a few latent bugs in this commit which are fixed
      in later commits in this patchset.  (Those bugfixes required
      a bit of refactoring, so it's clearer if they're not
      with this patch.)
      Signed-off-by: default avatarEdward Z. Yang <ezyang@cs.stanford.edu>
      2040c1c9