ghc --make-parallel ?

Simon Marlow simonmarhaskell at
Thu Oct 18 08:27:51 EDT 2007

Johannes Waldmann wrote:

> Can ghc execute compilations in parallel?
> (With  GNU make, I'd say "make -j 2"
> but how to achieve this with "ghc --make" ?)

Sorry, not at the moment.  We implemented a hacky version of it for our 
Haskell Workshop '05 paper:

but later concluded that GHC really needed some more substantial 
re-engineering to make it reliable.  There's a ticket for it:


More information about the Glasgow-haskell-users mailing list