Takusen build error

Alistair Bayley alistair at abayley.org
Tue Jul 1 07:46:21 EDT 2008

> I get a strange error building Takusen (more precisely: the module
> Foreign/C/UTF8.hs) with ghc-6.8.3. It says
> [1 of 9] Compiling Foreign.C.UTF8   ( Foreign/C/UTF8.hs,
> dist/build/Foreign/C/UTF8.o )
> /tmp/ghc18936_0/ghc18936_0.s: Assembler messages:
> /tmp/ghc18936_0/ghc18936_0.s:1257:0:
>     Error: symbol `base_GHCziBase_Z0T_closure' is already defined
> I compiled ghc-6.8.3 from source, using ghc-6.8.2 to bootstrap.

What happens when you say:
  ghc -c Foreign/C/UTF8.hs

I expect you get the same error. If so, then this is one for ghc
maintainers. If not, then we'll have to do some more digging.


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