[GHC] #16063: ghc-8.6.3 + Mac OSX + FFI dependency causes 'impossible happened' compiler failure

[GHC]

#16063: ghc-8.6.3 + Mac OSX +  FFI dependency causes 'impossible happened' compiler
failure
-------------------------------------+-------------------------------------
        Reporter:  benselfridge      |                Owner:  (none)
            Type:  bug               |               Status:  infoneeded
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.6.3
      Resolution:                    |             Keywords:
Operating System:  MacOS X           |         Architecture:  x86_64
 Type of failure:  Compile-time      |  (amd64)
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by benselfridge):

 Removed the riscv-tests submodule, so that shouldn't be an issue anymore
 if you clone grift again.

 I removed the sudo calls in the Makefile (they probably shouldn't have
 been there anyway), but I'm not sure if that will do the trick for you --
 softfloat-hs needs to dynamically link against pre-compiled C libraries in
 /usr/lib or /usr/local/lib, and they have to be installed there or runtime
 will crash. Is there no way for you to run make install inside softfloat-
 hs?

 -Ben

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16063#comment:3>
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