[LLVMdev] [PATCH]: enable multilib build on x86_64-apple-darwin

[Chris Lattner]

On Aug 25, 2009, at 2:33 PM, Mike Stump wrote:

> On Aug 23, 2009, at 11:36 AM, Jack Howarth wrote:
>> Current llvm-gcc-4.2 for trunk and the 2.6 release
>> is unable to build the i386 multilib for the
>> x86_64-apple-darwin target. The attached patch provides
>> this support. Can we get this into the 2.6 release
>> and trunk?
>
> This is fine.  I don't have a rw llvm-gcc tree, some else want to
> check it in?  For 2.6, that's be someone else's call, for what it's
> worth, this should be fairly safe.

I applied this as r80071.  However, I don't understand what this  
does.  I'm able to build a working i386/x86-64 compiler on darwin  
without this, what exactly does this fix?  What exactly is an "i386  
multilib" and why do we care? :)

-Chris