git.iko.soy/typeable/pandoc
on 1.14.1 help sign in
typeable/pandoc/Setup.hs
47 lines 1.9 kB history raw
1{-
2Copyright (C) 2006-2015 John MacFarlane <jgm@berkeley.edu>
4This program is free software; you can redistribute it and/or modify
5it under the terms of the GNU General Public License as published by
6the Free Software Foundation; either version 2 of the License, or
7(at your option) any later version.
9This program is distributed in the hope that it will be useful,
10but WITHOUT ANY WARRANTY; without even the implied warranty of
11MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12GNU General Public License for more details.
14You should have received a copy of the GNU General Public License
15along with this program; if not, write to the Free Software
16Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17-}
19import Distribution.Simple
20import Distribution.Simple.PreProcess
21import Distribution.PackageDescription (PackageDescription(..), Executable(..))
22import System.Process ( rawSystem )
23import System.FilePath ( (</>) )
24import System.Directory ( findExecutable )
25import Distribution.Simple.Utils (info, rawSystemExit)
26import Distribution.Simple.Setup
27import Distribution.Simple.LocalBuildInfo
28import Distribution.Verbosity
30main :: IO ()
31main = defaultMainWithHooks $ simpleUserHooks {
32 -- enable hsb2hs preprocessor for .hsb files
33 hookedPreProcessors = [ppBlobSuffixHandler]
34 }
36ppBlobSuffixHandler :: PPSuffixHandler
37ppBlobSuffixHandler = ("hsb", \_ _ ->
38 PreProcessor {
39 platformIndependent = True,
40 runPreProcessor = mkSimplePreProcessor $ \infile outfile verbosity ->
41 do info verbosity $ "Preprocessing " ++ infile ++ " to " ++ outfile
42 hsb2hsPath <- findExecutable "hsb2hs"
43 case hsb2hsPath of
44 Just p -> rawSystem p [infile, infile, outfile]
45 Nothing -> error "hsb2hs is needed to build this program: cabal install hsb2hs"
46 return ()
47 })