[Pkg-haskell-maintainers] Bug#594858: Bug#594855: Bug#594858: haskell-debian: FTBFS: (.text+0x56): undefined reference to `__stg_EAGER_BLACKHOLE_INFO'

[Giovanni Mascellani]

Ciao.

@kaol: we have two similar bugs (#594855 and #594858) in which ghc6
fails with some assembly errors we're not able to debug. Can you help us?

Il 03/09/2010 01:34, Marco Túlio Gontijo e Silva ha scritto:
> Hi.
> 
> These two bugs seem to be related, since they both show the same warning:
> 
> Warning: This package indirectly depends on multiple versions of the same
> package. This is highly likely to cause a compile failure.
> package regex-tdfa-1.1.4 requires parsec-2.1.0.1
> package network-2.2.1.7 requires parsec-2.1.0.1
> package debian-3.47 requires parsec-3.1.0
> 
> So, reconsidering for bug #584855, it seems that it's not a compiler bug, but
> rather a problem with using two versions of the same package.

I've seen this warning many times without having troubles with it. Of
course this doesn't mean that it's not striking here.

Anyway, there's something other that I can't explain: why having two
versions of the same package should cause an 'undefined reference' or a
'prologue junk' error? I'm not enough into the internals of GHC, so I'm
Cc:-ing kaol in case he has something to comment.

Gio.
-- 
Giovanni Mascellani <mascellani at poisson.phc.unipi.it>
Pisa, Italy

Web: http://poisson.phc.unipi.it/~mascellani
Jabber: g.mascellani at jabber.org / giovanni at elabor.homelinux.org

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