[GHC] #14712: After git pull make can't work without make clean

[GHC]

#14712: After git pull make can't work without make clean
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        Reporter:  jiamo             |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  low               |            Milestone:
       Component:  Build System      |              Version:  8.5
      Resolution:                    |             Keywords:
Operating System:  MacOS X           |         Architecture:  x86_64
 Type of failure:  Building GHC      |  (amd64)
  failed                             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by dfeuer):

 The entire `make`-based build system is in the process of being replaced.
 I think the chances of improving it significant are minuscule. I'm leaving
 this open to see if someone can confirm that Hadrian is likely to do a
 better job in this regard.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14712#comment:2>
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