[GHC] #15949: Hadrian needs more convenient build target names

[GHC]

#15949: Hadrian needs more convenient build target names
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        Reporter:  bgamari           |                Owner:  alpmestan
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Build System      |              Version:  8.6.2
  (Hadrian)                          |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5434
       Wiki Page:                    |
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Changes (by alpmestan):

 * status:  new => patch
 * differential:   => Phab:D5434


Comment:

 I have a patch at [https://phabricator.haskell.org/D5434 D5434], adding
 those `stage<N>:<lib|exe>:<name>` targets. It seems to be working as
 expected and advertised in the patch description.
 Feedback/review/refinements welcome!

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15949#comment:4>
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