[oe] How to use two toolchains

[Randy MacLeod]

On 2017-09-22 10:22 AM, Changhyeok Bae wrote:
> Hi
> 
> I would like to use 64 bit for kernel and 32 bit for userspace(rootfs).
> Toolchain is created by OE (Not prebuilt toolchain)
> Could you recommend good way to use different toolchains to achieve my goal?
> If you have good examples, it's very helpful to me.
> 
> Thanks
> Changhyeok
> 

This is referred to as a multilib build.
This Stack Overflow entry should get you started:

https://stackoverflow.com/questions/37271509/how-to-get-initramfs-libraries-for-32-and-64-bit-using-yocto

Also see:
5.6.2.2. Using Multilib¶
http://www.yoctoproject.org/docs/2.3/mega-manual/mega-manual.html

s/2.3/<your version of yocto>/

-- 
# Randy MacLeod.  WR Linux
# Wind River an Intel Company