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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