name: internal-preprocessor-test version: 0.1.0.0 synopsis: Internal custom preprocessor example. description: See https://github.com/haskell/cabal/issues/1541#issuecomment-30155513 license: GPL-3 author: Mikhail Glushenkov maintainer: mikhail.glushenkov@gmail.com category: Testing build-type: Custom cabal-version: >=1.10 custom-setup setup-depends: Cabal, base, process, filepath -- Note that exe comes before the library. -- The reason is backwards compat: old versions of Cabal (< 1.18) -- don't have a proper component build graph, so components are -- built in declaration order. executable my-custom-preprocessor main-is: MyCustomPreprocessor.hs build-depends: base, directory default-language: Haskell2010 library exposed-modules: A build-depends: base build-tools: my-custom-preprocessor -- ^ Note the internal dependency. default-language: Haskell2010 executable hello-world main-is: Hello.hs build-depends: base, internal-preprocessor-test default-language: Haskell2010