Multilib and Linux.

[Philip Blundell]

>I don't think this is a big deal.  For .o and .a files you just need to have 
>two parallel toolchains, one set up as a cross-compiler, and keep the .o and 
>.a files for that ABI contained in the appropriate directories.  You probably 
>need separate builds of gas, ld and so on in any case.

Thinking about it more, in fact what I wrote here is bogus even for the 
existing ARM case, and this problem is another reason I haven't so far pursued 
the idea much.  I think the linker probably needs to be taught to modify its 
search path based on the ABI in use.

p.