[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 mpickering):

 I think it's a bug in GHC but it's not clear to me why it works for Ryan
 but not for me.

 There isn't a dependency as you're meant to be able to use different
 libraries with `gsl` other than just `gslcblas` according to the
 documentation. https://www.gnu.org/software/gsl/manual/html_node/Linking-
 programs-with-the-library.html

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16257#comment:6>
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