[GHC] #13934: FP_CONVERT_CPU fails to convert CPU when invoked from bindist

[GHC]

#13934: FP_CONVERT_CPU fails to convert CPU when invoked from bindist
-------------------------------------+-------------------------------------
           Reporter:  bgamari        |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.2.1
          Component:  Build System   |           Version:  8.0.1
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 Trying to pass `--target=arm-linux-gnueabihf` to a ARM 8.0.2 bindist's
 `configure` on my AArch64 box fails with,
 {{{
 $ ./configure --prefix=/mnt/ext/arm/roots/ghc/8.0.1-armv7 --target=arm-
 linux-gnueabihf
 checking for path to top of build tree... /mnt/ext/arm/ghc-8.0.2
 Build platform inferred as: arm-unknown-linux
 Host platform inferred as: arm-unknown-linux
 Unknown CPU
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13934>
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