[GHC] #15199: Build fails on Debian armhf (armv7l-unknown-linux-gnueabihf)

[GHC]

#15199: Build fails on Debian armhf (armv7l-unknown-linux-gnueabihf)
-------------------------------------+-------------------------------------
        Reporter:  clint             |                Owner:  (none)
            Type:  bug               |               Status:  infoneeded
        Priority:  normal            |            Milestone:  8.4.4
       Component:  Compiler          |              Version:  8.4.3
      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:                    |
-------------------------------------+-------------------------------------
Changes (by clint):

 * version:  8.4.2 => 8.4.3


Comment:

 master not yet tested, but backporting
 e4003b6dc6a84d870116de9f47057c15b1576f36 to 8.4.3 results in

 {{{
 utils/haddock/ghc.mk:20: recipe for target
 'utils/haddock/dist/build/Haddock/GhcUtils.dyn_o' failed
 make[3]: *** [utils/haddock/dist/build/Haddock/GhcUtils.dyn_o] Illegal
 instruction
 make[3]: *** Waiting for unfinished jobs....
 utils/haddock/ghc.mk:20: recipe for target
 'utils/haddock/dist/build/ResponseFile.dyn_o' failed
 make[3]: *** [utils/haddock/dist/build/ResponseFile.dyn_o] Illegal
 instruction
 utils/haddock/ghc.mk:20: recipe for target
 'utils/haddock/dist/build/Haddock/Backends/Hyperlinker/Types.dyn_o' failed
 make[3]: ***
 [utils/haddock/dist/build/Haddock/Backends/Hyperlinker/Types.dyn_o]
 Illegal instruction
 utils/haddock/ghc.mk:20: recipe for target
 'utils/haddock/dist/build/Documentation/Haddock/Types.dyn_o' failed
 make[3]: *** [utils/haddock/dist/build/Documentation/Haddock/Types.dyn_o]
 Illegal instruction
 Makefile:122: recipe for target 'all' failed
 }}}

 https://buildd.debian.org/status/fetch.php?pkg=ghc&arch=armhf&ver=8.4.3-1&stamp=1528031879&raw=0

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15199#comment:3>
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