[GHC] #9589: Building GHC as a cross-compiler for armhf fails with undefined reference to `dlopen', `dlerror', `dlsym'

[GHC]

#9589: Building GHC as a cross-compiler for armhf fails with undefined reference
to `dlopen', `dlerror', `dlsym'
-------------------------------------+-------------------------------------
              Reporter:  jpmasseria  |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Build       |          Version:  7.8.3
  System                             |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:  Linux       |       Difficulty:  Unknown
       Type of failure:  Building    |       Blocked By:
  GHC failed                         |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
-------------------------------------+-------------------------------------

Comment (by rwbarton):

 From `rts/package.conf.in`
 {{{
 extra-libraries:
 #ifdef HAVE_LIBM
                                 "m"             /* for ldexp() */
 #endif
 #ifdef HAVE_LIBRT
                               , "rt"
 #endif
 #ifdef HAVE_LIBDL
                               , "dl"
 #endif
 ...
 }}}
 suggests that `HAVE_LIBDL` is not set for you.

 What is the output of `inplace/bin/ghc-pkg describe rts`?

 What does `include/ghcautoconf.h` say about `HAVE_LIBDL`?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9589#comment:2>
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