[GHC] #9302: relocation R_X86_64_PC32 against undefined symbol (from Data.Array.Parallel) while building GHC in quickest flavour

[GHC]

#9302: relocation R_X86_64_PC32 against undefined symbol (from
Data.Array.Parallel) while building GHC in quickest flavour
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              Reporter:              |             Owner:
  ulysses4ever                       |            Status:  new
                  Type:  bug         |         Milestone:
              Priority:  normal      |           Version:
             Component:  Build       |          Keywords:
  System                             |  Operating System:  Linux
            Resolution:              |   Type of failure:  Building GHC
Differential Revisions:              |  failed
          Architecture:              |         Test Case:
  Unknown/Multiple                   |          Blocking:
            Difficulty:  Unknown     |
            Blocked By:              |
       Related Tickets:              |
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Comment (by rwbarton):

 This is unrelated to #9007. The "recompile with -fPIC" is a pretty generic
 error message for "something went wrong involving a dynamic library". ld
 is making its best guess as to the cause.

 Note that the undefined reference is from Data.Array.Parallel.Prelude.Bool
 to a symbol in the same module! Something screwy is going on with
 VECTORISE I think.

 A workaround would be to not build DPH when building with BuildFlavour =
 quickest, as you almost certainly don't want to build it anyways (it takes
 a long time). To do so uncomment the line `BUILD_DPH=NO` in `mk/build.mk`.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9302#comment:7>
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