[Haskell-cafe] Can cabal detect property of the platform ?

Vincent Hanquez tab at snarc.org
Fri Apr 13 14:35:43 CEST 2012

Hi Cafe,

Is there a way to have (some) cabal flags to autoconfigure themselves ?

For example, a SSE flag, i want the configure to default to on
when the building machine has SSE instruction available, and default
to off otherwise.

(of course, it wouldn't affect the user ability to override the default with -f)

It doesn't appears possible just using the cabal file. Is there a way
with the Setup.hs maybe ? or some other cunning plan ?


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