[Haskell-cafe] ghc does not link after compiling

Daniel Fischer daniel.is.fischer at web.de
Wed Jun 17 12:34:50 EDT 2009

Am Mittwoch 17 Juni 2009 18:18:01 schrieb Nico Rolle:
> hi
> I wanted to compile my little test programm so it can take advantage
> of a multicore system.
> But when i call the compiler with
> ghc -O2 --make Benchmark.hs -threaded

If your module name is not Main, you need the -main-is flag:

ghc -O2 -threaded -main-is Benchmark --make Benchmark


ghc -O2 -threaded -main-is Benchmark.main --make Benchmark
> it just produces a acouple of .hi and .o files but no executable.
> But in the documantation was written that i just need to call ghc like
> that and it will produce my desired executable.
> My version of ghc is 6.10.3
> regards

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