On Sat, Mar 1, 2014 at 7:35 PM, Richard Cobbe <cobbe@ccs.neu.edu> wrote:
Question 1: How do I know this worked?  I tested it by modifying a package
that I'm writing so that it requires CPP to build correctly, and
successfully built it with "cabal clean; cabal configure; cabal build".
(More details available on request.)  Does that mean I'm in good shape?

If you didn't get a compile failure after a bunch of syntax errors reported by cpp, you're good. (The problem is that clang's cpp is more pedantic about C syntax than gcc's, and doesn't appreciate being run on Haskell source. The patch adds options to disable the pedanticism.)

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