On November 9, 2009 12:39:25 Goetz Isenmann wrote:
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.
I'm not sure about dragonfly, but there are a bunch of similar options for glibc under Linux. For example, "man feature_test_macros" says you need to define _POSIX_C_SOURCE to 199309 or greater to use POSIX.1b functionality. Cheers! -Tyson