On Thursday 15 September 2011 15:34:06 Mike Frysinger wrote:
> ive converted my system over to x86/amd64/x32 multilib for funs.  but i can
> see how some people wont want all three all the time.  so the question is
> how we want to make this available to users at the release/profile level.

for profiles, i'll be doing:

arch/amd64/x32/:
contains all of the default settings for x32 as native ABI, with amd64/x86 
being supplemental

profiles/default/linux/amd64/10.0/x32/:
profile for linux x32 users to set as their /etc/make.profile

the releases will include all 3 ABIs (which only affects gcc/glibc in terms of 
overhead).  if people want to use x32 with less other ABIs, then i think the 
expected use case will be for them to set MULTILIB_ABIS in their make.conf:
	/etc/make.conf:MULTILIB_ABIS="x32"
-mike