[OE-core] Building and using a second toolchain

[Richard Purdie]

On Thu, 2017-09-07 at 12:13 +0100, Mike Crowe wrote:
> It thought that the simplest path to making this work would be to ensure
> that the manifest files generated during the build have the names that all
> other recipes will expect, but this means using the wrong TARGET_ARCH in my
> binutils-cross-arm and gcc-cross-initial-arm recipes which I can't do
> without also overriding TARGET_SYS and PN at least which definitely isn't
> pretty.
> 
> I remember reading posts about doing this on the list in the past, but my
> search engine skills aren't up to the job of finding anything. Am I missing
> an easier way to make this work?

Have you considered using multilib? You could have a 32 bit multilib
defined for the 64 bit system, then just use its 32 bit compiler?

Cheers,

Richard