[nhc-bugs] Problems building nhc98 with ghc-5.04

[Oliver Braun]

Hi,

when building nhc98 with ghc-5.04 I got the following error:

/usr/ports/lang/nhc98/work/nhc98-1.14/script/hmake -ghc  +CTS  -package lang -CTS -d /usr/ports/lang/nhc98/work/nhc98-1.14/targets/ix86-FreeBSD/obj/greencard GreenCard

Fail: Can't find module PrelBase in
        .
  Or in standard libraries at
        /usr/local/lib/ghc-5.04/imports/base
        /usr/local/lib/ghc-5.04/imports/haskell98
        /usr/local/lib/ghc-5.04/imports/network
        /usr/local/lib/ghc-5.04/imports/haskell-src
        /usr/local/lib/ghc-5.04/imports/lang
        /usr/local/lib/ghc-5.04/imports/concurrent
        /usr/local/lib/ghc-5.04/imports/posix
        /usr/local/lib/ghc-5.04/imports/util
        /usr/local/lib/ghc-5.04/imports/data
        /usr/local/lib/ghc-5.04/imports/text
        /usr/local/lib/ghc-5.04/imports/net
        /usr/local/lib/ghc-5.04/imports/hssource
  Asked for by: Decl.lhs
[Check settings of -I or -P flags?]

This error comes from the lines:

#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ <= 202
import PrelBase(maybe) -- workaround for GHC 2.02
#endif

in src/greencard/Decl.lhs src/greencard/FillIn.lhs and src/greencard/Process.lhs

Deleting these lines fixes the problems.

Anyway, this seems to be a ghc bug, since ghc is looking for
PrelBase even though it is not needed for ghc-5.04.

Regards,
         Olli
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