On 27-05-15 21:19, Joel (Xi Zhou) Zhou wrote:
Hi all,
We have a Yocto BSP based on arm64/aarch64 machine.
On top of this, I need to create a firmware recipe, which need armv7
cross-compiler.
So question is, how to support multiple toolchain in Yocto?
Yocto/OE doesn't support multiple "machines" in a single build.
You'll have to create a separate yocto build (can use the same environment
though) by setting MACHINE to your armv7 firmware system and then placing the
output somewhere ("deploy" task). Then make a recipe for the arm64 machine
that picks up this output and packs it for deployment on target, like other
firmware blobs.
I think eventually we'll see "composite" machine support in OE, I guess, but
for now, I have no clue as to how this would work, otherwise I'd have
submitted a patch implementing it already.
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