Bug#553332: Too dependy on perl?

Package: ghc6
Version: 6.8.2dfsg1-1
Severity: normal

Presumably ghc6 Depends: perl in order to support the Evil Mangler.

At least in 6.10, via-C (and thus the Evil Mangler) is no longer
preferred, so maybe this can be downgraded to a Suggests.

Furthermore, the Evil Mangler apparently never supported ARM, so at
least for the armel architecture perl is (AFAICT) a totally
superfluous dependency.

Discussion on #haskell:

twb> Grumble, why does ghc6 still depend on perl?

quicksilver> The evil mangler style of via-C compilation is no longer
quicksilver> preferred, but is currently still supported.

twb> Pity I can't just say "bollocks to that" and remove the perl
twb> dependency. Although maybe via-C is still needed on ARM?

quicksilver> The ARM via-C is unregisterised and so doesn't use the
quicksilver> mangler AFAIK.

blackh> We don't use the Evil Mangler on ARM. There's no evil manger
blackh> implementation for ARM, actually. So, yes, I think it can be
blackh> removed [...]



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