[Haskell-cafe] Replacing CPP [was: Current status of Mavericks CPP]

[Brandon Allbery]

On Wed, Apr 16, 2014 at 9:19 AM, Ben Franksen <ben.franksen at online.de>wrote:

> Erik Hesselink wrote:
> > One conditional compilation feature that's used relatively often and
> > not covered by your earlier proposal is bounds checks on libraries
> > through cabal. It could be handled the same way as GHC versions, of
> > course, but I think the triple of version numbers is a bit more
> > 'correct' and flexible.
>
> Can you point me to an example or some documentation? I am not too familiar
> with advanced cabal usage...


http://www.haskell.org/cabal/users-guide/developing-packages.html#conditional-compilation

which is actually the most common use of -XCPP in my experience, so it
really needs to be supported.

-- 
brandon s allbery kf8nh                               sine nomine associates
allbery.b at gmail.com                                  ballbery at sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net
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