The duplicate definition error appears when I compile Main.hs and execute it. But when I run it with runghc the behaviour is different. It works well: > runghc Main.hs 3
Any idea? is this a bug of hs-plugins? it is just something expected?? 2008/12/6 Alberto G. Corona <[EMAIL PROTECTED]> > I have a web server which load server extensions. these extensions > eval-uate configuration files that contains code (user-editable workflow > descriptions). The problem is that I need common definitions (inside > imported modules) for the extensions and for the configuration files. This > is not permitted by ha-plugins. > > The minimal code example are the files below. main loads eval.hs , that > evaluate a expression. The common definitions are in Include.hs. The error > is: > > *GHCi runtime linker: fatal error: I found a duplicate definition for > symbol > Include_sum1_srt > whilst processing object file > /home/magocoal/haskell/devel/votesWorkflow/src/unused/tests/Include.o > > This could be caused by: > * Loading two different object files which export the same symbol > * Specifying the same object file twice on the GHCi command line > * An incorrect `package.conf' entry, causing some object to be > loaded twice. > GHCi cannot safely continue in this situation. Exiting now. Sorry. > * > > > ** > Do you kno how to solve the problem while maintaining the functionality? > > -------Include.hs------- > module Include where > > sum [x,y]= x+y > > > ------Main.hs----- > module Main > where > > import Include > import System.Plugins > > main= do > s <-loadExec "eval.o" "mainc" > print s > > loadExec:: String-> String->IO String > loadExec file method = do > > mv <- load file ["."] [] method > case mv of > LoadSuccess mod v -> v :: IO String > LoadFailure msg -> return $ concat msg > > > > ------------Eval.hs-------- > > module Eval(mainc) where > import System.IO.Unsafe > import System.Eval.Haskell > > mainc= do i <- unsafeEval_ "sum1 [1,2]" ["Include"] [] []["."] :: IO > (Either [String] Int) > return $ show i > > > > >
_______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
