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\begin{code}
{-# LANGUAGE CPP #-}
{-# OPTIONS_GHC -Wall #-}
module Main (main) where
#ifndef MIN_VERSION_cabal_doctest
#define MIN_VERSION_cabal_doctest(x,y,z) 0
#endif
#if MIN_VERSION_cabal_doctest(1,0,0)
import Distribution.Extra.Doctest ( defaultMainWithDoctests )
main :: IO ()
main = defaultMainWithDoctests "doctests"
#else
#ifdef MIN_VERSION_Cabal
-- If the macro is defined, we have new cabal-install,
-- but for some reason we don't have cabal-doctest in package-db
--
-- Probably we are running cabal sdist, when otherwise using new-build
-- workflow
import Warning ()
#endif
import Distribution.Simple
main :: IO ()
main = defaultMain
#endif
\end{code}