Porting to DragonFly BSD

[Goetz Isenmann]

On Mon, Nov 09, 2009 at 10:44:47AM +0000, Simon Marlow wrote:
> We should get these patches into GHC.  Most of them look
> straightforward, but I'm slightly suspicious of this:
> 
> -STANDARD_OPTS += -DCOMPILING_RTS
> +STANDARD_OPTS += -DCOMPILING_RTS -D_POSIX_VERSION=199309
> 
> why was that necessary?

Good that you ask. Can't remember why it was necessary back in april
to build ghc-6.10.2 on dragonfly-2.2.1. Cannot reproduce the problem
today with ghc-6.10.4 on dragonfly-2.4.1.

I am glad, that we do not need this define any more. I think it was a
ugly workaround at best.