[Haskell-cafe] Using m4 as a preprocessor

[Francesco Ariis]

On Fri, Jan 30, 2015 at 08:49:07PM +0000, Claude Heiland-Allen wrote:
> Probably the missing file is where the preprocessor should store the
> output.  Probably you need to write a wrapper script.  See:
>
> https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/options-phases.html#pre-processor

Woops, must have missed that section, thanks!