[GHC] #15916: GHC doesn't build on powerpc64 architecture on systems other than GNU / Linux

GHC ghc-devs at haskell.org
Fri Jan 11 09:32:07 UTC 2019


#15916: GHC doesn't build on powerpc64 architecture on systems other than GNU /
Linux
-------------------------------------+-------------------------------------
        Reporter:  pkubaj            |                Owner:  trommler
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:  8.10.1
       Component:  Compiler          |              Version:  8.6.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:  powerpc64
 Type of failure:  Building GHC      |            Test Case:
  failed                             |
      Blocked By:  15411             |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |  https://gitlab.haskell.org/ghc/ghc/merge_requests/81
-------------------------------------+-------------------------------------

Comment (by trommler):

 Replying to [comment:20 pkubaj]:
 > Also, when I bootstrap on amd64 and apply
 https://ghc.haskell.org/trac/ghc/attachment/ticket/15411/Disable-unboxed-
 arrays.patch, the following happens:
 > {{{
 > "inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf hc -static  -O0 -H64m
 -Wall      -this-unit-id base-4.12.0.0 -hide-all-packages -i
 -ilibraries/base/. -ilibraries/base/dist-install/build -Ilibraries/base
 /dist-install/build -ilibraries/base/dist-install/build/./autogen
 -Ilibraries/base/dist-install/build/./autogen -Ilibraries/base/include
 -Ilibraries/base/dist-install/build/include    -optP-include
 -optPlibraries/base/dist-install/build/./autogen/cabal_macros.h -package-
 id ghc-prim-0.5.3 -package-id integer-simple-0.1.1.1 -package-id rts
 -this-unit-id base -Wcompat -Wnoncanonical-monad-instances -XHaskell2010
 -O0  -no-user-package-db -rtsopts  -Wno-trustworthy-safe -Wno-deprecated-
 flags     -Wnoncanonical-monad-instances  -odir libraries/base/dist-
 install/build -hidir libraries/base/dist-install/build -stubdir
 libraries/base/dist-install/build    -c libraries/base/./GHC/Num.hs -o
 > libraries/base/dist-install/build/GHC/Num.o
 > ghc-stage1: panic! (the 'impossible' happened)
 >   (GHC version 8.6.3 for powerpc64-portbld-freebsd):
 >         Can't use Natural in base
 > }}}
 The error message says `powerpc64-portbld-freebsd` and it could also be
 #15411.

 On openSUSE I conditionally apply the patch (workaround) only on
 powerpc64, but just for fun I applied it on all platforms and build (in my
 home project) passes no problem.
 >
 > Without this patch, it compiles fine on amd64, but then fails on
 powerpc64.
 The latter is due to #15411.

 There is another patch that I apply to 8.6.3. That patch fixes an issue
 mentioned in my comments on #15399. You can find the patch in Phab:D5001.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15916#comment:23>
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