[GHC] #16257: -fexternal-interpreter with external C shared library leads to undefined symbol during template haskell phase

[GHC]

#16257: -fexternal-interpreter with external C shared library leads to undefined
symbol during template haskell phase
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        Reporter:  guibou            |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.6.3
      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 guibou):

 (It also fails in a `buildFHSUserEnv`, but I'm not really surprised,
 because even if the FHS is respected, it still uses most the nix link
 strategies and `rpath`.)

 `-opti -v` are there:
 https://gist.github.com/guibou/9bf3475faf00e4de0b5eb57247139921

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16257#comment:9>
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