[GHC] #13541: Make it easier to use the gold linker

[GHC]

#13541: Make it easier to use the gold linker
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        Reporter:  bgamari           |                Owner:  (none)
            Type:  feature request   |               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 bgamari):

 To be clear, I don't think there is any need to block any particular
 combinations. We simply teach configure to check that `-fuse-ld=gold`
 works. If the compiler doesn't support it then the check fails and we
 either throw an error or proceed with the status quo.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13541#comment:8>
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