darcs patch: Link against GNUreadline.framework, if it's available.

[Christian Maeder]

I think your patch fix ticket:

http://hackage.haskell.org/trac/ghc/ticket/1395

Thanks Christian

Judah Jacobson wrote:
> I noticed that the HEAD readline package wasn't linking against the
> GNUreadline framework (as distributed for Mac OS X on the ghc-6.6.1
> downloads page).  The following patch fixes that.  I've tested it on
> OS X (both with and without the framework), but someone should
> probably double-check that it works fine on non-Mac systems.
> 
> Also note that for this to work correctly, it requires a bugfix that I
> just sent to cvs-ghc:
> http://permalink.gmane.org/gmane.comp.lang.haskell.cvs.ghc/23055
> 
> Thank,
> -Judah
> 
> 
>   * Link against GNUreadline.framework, if it's available.
>   This can be overridden by setting --with-readline-includes or
>   --with-readline-libraries.
> 
>     M ./HsReadline_cbits.c -2 +1
>     M ./configure.ac -20 +39
>     M ./include/HsReadline.h -1 +7
>     M ./readline.buildinfo.in +1
> 
> 
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