Re: [Haskell-cafe] extension to filter with external program (was: Current status of Mavericks CPP)

Hi, On 16 April 2014 13:29, Tobias Florek wrote:

hi,

i may certainly be missing something, as i only used cpp in haskell for conditional compilation. having said that:

i'd like to have (instead of LANGUAGE CPP) the following extension.

LANGUAGE FilterWithExternalProgram my_cpp

Use custom preprocessor support in Cabal or 'ghc -cpp -pgmP /path/to/custom_cpp' .