[GHC] #12770: Shrink list of RUNPATH entries for GHC libraries

[GHC]

#12770: Shrink list of RUNPATH entries for GHC libraries
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        Reporter:  slyfox            |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by ezyang):

 When I was fixing up the dynlibdir patch for merge, I attempted to do
 this. But I was stumped as to how to get the string `x86_64-linux-
 ghc-8.1.20161026` when writing in the RPATHs. And I hate debugging the
 Make build system, so I stopped looking at it.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12770#comment:1>
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