cpphs and C++-style comments

[Duncan Coutts]

In message <20070914171244.GA11741 at soi.city.ac.uk> libraries at haskell.org,
cabal-devel at haskell.org writes:
> On Fri, Sep 14, 2007 at 04:39:05PM +0100, Malcolm Wallace wrote:
> > > > Would you like to have separate option flags in cpphs for stripping
> > > > the different kinds of C comment?  e.g. --strip and --stripAnsi?
> > > 
> > > Separate options would resuscitate the Hugs build, so yes please.
> > > How about --strip-traditional or --strip-c89?
> > 
> > OK, done.  The new option is --strip-c89.
> 
> Thanks.  Now we have a conundrum: should Cabal 1.2 use the new option,
> and thus require the latest cpphs, or stick with the old option and be
> broken with the new cpphs?  Cabal only invokes cpphs for non-GHC builds,
> so I'd say use it.

Cabal knows the version of cpphs so it can use the new flag or the old one
depending on the version of cpphs being used.

Duncan