I had the same question quite some time ago and got an answe from Simon Marlow. You may search for that. Or you can use the attached file. Have fun, Andreas PS: You first compile RTSHooks.c and than your other Haskell files plus RTSHooks.o. Eg. ghc --make Main.hs RTSHooks.o ----- Original Message ----- From: "Graham Klyne" <gk@ninebynine.org> To: "Haskell Mailing List" <haskell@haskell.org> Sent: Friday, March 18, 2005 2:18 PM Subject: [Haskell] GHC: Setting default +RTS options at compile time?

Is there any way to specify at compile/link time default options for GHC program +RTS options?

I'm using the latest release (6.4).

#g --

<aside> Why do I want this? I'm using GHC to write a program that will be used by non-comp uting people to preprocess some data in conjunction with an 18Mb database file. To load the database into a Data.Map value requires more than GHC's default 256Mb of heap, and I'd like to increase the program's default heap size, rather than telling users to use the +RTS -M100M option, as its one less thing to get wrong. There are of course other possible solutions, but in this case specifying a default heap size at compile time seems to be the most natural. </aside>

------------ Graham Klyne For email: http://www.ninebynine.org/#Contact

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