[LLVMdev] configure llvm for 32-bit build on a 64-bit system

[Junjie Gu]

I have TOT of llvm and it builds 64-bit without issues on my 64-bit
ubuntu.  My question is how to build 32-bit llvm on my 64-bit ubuntu ?
I've not found any configure options to specify that.

Thanks
Junjie