Hi,

Alex González elaborates in his book Embedded Linux Development Using Yocto 
Projets (2nd Edition)
SDK-related questions - basics, building, usage (chapter 4).

1.
Downloading then installing precompiled SDK was one of all available options 
according to Alex.
He elaborates how to find it on server in Internet, how to select needed one 
and install it.
I wonder how to integrate downloaded and installed precompiled SDK
to Poky release used on build system?

2.
Preparing / building SDK by oneself was further option with image target's 
'populate_sdk' Bitbake task
as the recommended way (according to Alex in chapter's certain section).
One would need only to start populate_sdk task for image which matches root 
file system of system in development.
As soon as task completed SDK can be installed using generated script.
But how does it work for first build where rootfs was not built in the past.
Is in that case following procedure the proper one?
step 1: bitbake <image-name> -c populate_sdk
step 2: bitbake <image-name>

krzysiek




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