[Haskell-cafe] Re: Linking and unsafePerformIO

[wren ng thornton]

Mauricio wrote:
> 
> What I actually want to use that way are build
> time configs. For instance, 'isThisLibraryThreadSafe'
> or 'maximumNumberOfBigObjects'. Actually, I don't
> know why people allow build time options at all.
> We always use the "best set of options", and the
> alternatives are there just to compel us to check
> for them :)
> 
> Maurício

Why not just have a Haskell module (that defines a number of CAFs) be 
your build-time config? Unless there's an important reason to be using 
the FFI, this seems like a much simpler approach. Xmonad and Yi use a 
similar technique even for load-time constant configurations.

-- 
Live well,
~wren