happs on ghc 6.7 won't work because of dependency on Data.Binary, since
everything that depends on Data.Binary is broken at present.
This is for Data.Binary installed via cabal from darcs get --partial
http://darcs.haskell.org/binary . Cabal installed without any errors, but
perhaps there should have been one since it appears broke.
So I think my project of using the ghc debugger to help understand happs
is on ice until this gets resolved.
Unless this has been fixed since August 16. (Anyone out there got a more
recent version?)
$ cat UseDataBinary.hs
import Data.Binary
main = putStrLn "hello world"
$ /usr/local/bin/ghc-6.6.1 -e 'main' UseDataBinary.hs
hello world
$ /usr/local/bin/ghc-6.7.20070816 -e 'main' UseDataBinary.hs
<interactive>: /usr/local/lib/binary-0.3/ghc-6.7.20070816/HSbinary-0.3.o:
unknown symbol `stg_uncheckedShiftRL64'
ghc-6.7.20070816: unable to load package `binary-0.3'
$ /usr/local/bin/ghc-6.7.20070816 -e '' UseDataBinary.hs
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