[GHC] #2437: More accurate package dependencies

[GHC]

#2437: More accurate package dependencies
-------------------------------------+-------------------------------------
        Reporter:  simonmar          |                   Owner:  niteria
            Type:  task              |                  Status:  patch
        Priority:  lowest            |               Milestone:  7.12.1
       Component:  Package system    |                 Version:  6.8.3
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:  #3560, #8174      |                Blocking:
                                     |  Differential Revisions:  Phab:D973
-------------------------------------+-------------------------------------

Comment (by Edward Z. Yang <ezyang@…>):

 In [changeset:"85d539754ac07286ef5fed714ad42451bd5a1d28/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="85d539754ac07286ef5fed714ad42451bd5a1d28"
 Make GHC install libraries to e.g. xhtml-3000.2.1-0ACfOp3hebWD9jGWE4v4Gh.

 Summary:
 Previously, we'd install them to something like
 xhtml_0ACfOp3hebWD9jGWE4v4G which was fairly ugly; this
 commit changes the default install path to contain the full
 package name and version, as well as the package key.

 Needs a Cabal submodule update for the commit for install paths support
 "Add libname install-dirs variable, use it by default. Fixes #2437".
 It also contains some miscellaneous fixes for Cabal HEAD.

 Signed-off-by: Edward Z. Yang <ezyang at cs.stanford.edu>

 Test Plan: validate

 Reviewers: austin

 Subscribers: bgamari, thomie

 Trac Issues: #10479

 Differential Revision: https://phabricator.haskell.org/D922
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2437#comment:26>
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