#179: support GHC's main-is extension ----------------------------+----------------------------------------------- Reporter: duncan | Owner: Type: enhancement | Status: new Priority: low | Milestone: _|_ Component: Cabal library | Version: 1.2.2.0 Severity: normal | Keywords: Difficulty: normal | Ghcversion: 6.4.2 Platform: Linux | ----------------------------+----------------------------------------------- Comment(by mcandre): -main-is doesn't seem to play nice with multiple Haskell files. {{{ $ cat scriptedmain.hs #!/usr/bin/env runhaskell module ScriptedMain where meaningOfLife :: Int meaningOfLife = 42 main :: IO () main = putStrLn $ "Main: The meaning of life is " ++ show meaningOfLife $ cat test.hs #!/usr/bin/env runhaskell module Test where import ScriptedMain hiding (main) main :: IO () main = putStrLn $ "Test: The meaning of life is " ++ show meaningOfLife $ ghc -o scriptedmain -main-is ScriptedMain scriptedmain.hs $ ./scriptedmain Main: The meaning of life is 42 $ ghc -o test -main-is Test.main test.hs scriptedmain.hs compilation IS NOT required ld: duplicate symbol _ZCMain_main_info in scriptedmain.o and test.o collect2: ld returned 1 exit status }}} -- Ticket URL: http://hackage.haskell.org/trac/hackage/ticket/179#comment:9 Hackage http://haskell.org/cabal/ Hackage: Cabal and related projects