* Simon Marlow <marlo...@gmail.com> [2014-04-28 09:26:23+0100] > On 25/04/2014 17:57, Roman Cheplyaka wrote: > >* Edward Kmett <ekm...@gmail.com> [2014-04-25 11:22:46-0400] > >>+1 from me. I have a lot of projects that suffer with 4 levels of vacuous > >>subdirectories just for this. > >> > >>In theory cabal could support this on older GHC versions by copying all of > >>the > >>files to a working dir in dist with the expected layout on older GHCs. > >> > >>That would enable this to get much greater penetration more quickly. > > > >I'd really not want that people start putting ghc-options: -isrc=... > >into their cabal files. That'd make them irrecoverably ghc-specific, as no > >other > >tool will know how to process the files unless it reads ghc-options. > > No, the idea would be to use hs-source-dirs like this: > > hs-source-dirs: A.B.C=src > > Cabal just passes this in a -i option to GHC, so it almost Just Works, > except that Cabal needs to preprocess some source files so it needs to find > them, and also sdist needs to find source files.
In that case, I'm in favour of this proposal. Please consider the reversed syntax instead: hs-source-dirs: src=A.B.C I find it more intuitive, because A.B.C becomes sort of an optional parameter, the empty prefix being its default value. Roman
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