[yocto] Forcing native binaries to build as 32-bit on a 64-bit host OS?

[Paul Eggleton]

On Tuesday 20 November 2012 14:27:30 Jerrod Peach wrote:
> My company has traditionally built all their code on 32-bit systems for
> 32-bit target architectures.  We're now trying to move our build hosts to
> 64-bit OSes, but that's presenting us with a bit of a problem: some
> non-trivial number of native packages don't want to properly build 64-bit
> binaries.    Rather than fix all those issues right now, we'd like to build
> everything as a 32-bit binary on a 64-bit OS.  The problem is, I'm not sure
> how I'd go about forcing that to happen.  Is there some simple mechanism I
> can use to force all native packages to build as 32-bit on a 64-bit system?

Sorry for the delay in replying. I've not had to do this myself but I suspect 
something like this might do it:

BUILD_ARCH = "i686"

Cheers,
Paul

-- 

Paul Eggleton
Intel Open Source Technology Centre