Re: CPP Help (was Re: Latest Template Haskell Breaks Package)

How very clever of you and thank you very much. Changing ‘ to 1 does fix the problem. I would have thought this would work

cabal install --with-gcc=gcc-4.9

But sadly I still got the same error. Do I need a special version of cpphs? Dominic Steinitz dominic@steinitz.org http://idontgetoutmuch.wordpress.com On 23 Dec 2014, at 15:58, Brandon Allbery wrote:

On Tue, Dec 23, 2014 at 10:46 AM, Dominic Steinitz wrote: To restate the problem: this is from code that has not been changed for 2 years. I get

...

Examples.hs:42:42: Parse error in pattern: con Failed, modules loaded: none.

I think I see the problem. Are you by any chance on a machine which has clang as its default C compiler (OS X, FreeBSD 9.3?/10.x/STABLE/CURRENT, possibly others)? cpp will in that case malfunction because it won't substitute macro parameters after the single quote:

...

minM' (con a#) (con b#) = \

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