Ketil Malde wrote:
Simon Marlow <[EMAIL PROTECTED]> writes:
Concurrency is supported just fine without -threaded. You need
-threaded if you want to:
:
3) write a multithreaded Haskell library or DLL
I thought -threaded (A.K.A. -smp, no?) only affected which runtime was
used, and thus was a linking option. I do have a library that needs
-smp, but as far as I knew, the onus would be on the *applications* to
specify this when compiling/linking. Is that incorrect? Is there a
way for a library to inform the application about this?
Sorry, I was a bit ambiguous there: for case (3) I mean a Haskell library
that you intend to call from C, or some other foreign language, using
multiple OS threads. You're absolutely right that for a Haskell library
that you intend to call from Haskell, the -threaded option is used when the
final program is linked, there's no way for the library itself to add it.
Cheers,
Simon
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