[yocto] Detailed steps involved in populate_sdk

[Anooj Gopi]

Hello,

I am new to yocto project and learning about the project step by step for 
one of our project.

For study purpose, I'm currently using the latest yocto git clone and 
built "bitbake core-image-minimal" successfully for "beaglebone". I have 
got all the target images to boot. At this point I assume that all the 
native tool chain binaries required to build the target image is already 
generated by yocto.

Now when I try to create the SDK with the command "bitbake 
core-image-minimal -c populate_sdk", I can see there is again native 
packages being configured and compiled. As per my understanding about 
yocto I was expecting this would have already done during "bitbake 
core-image-minimal" because all these tools are required to build the 
images. In my understanding populate_sdk would just install the "native 
package deb files" already created during "bitbake core-image-minimal". I 
know there is something wrong in my understanding. Could you please 
explain bit in detail.

Best Regards,
Anooj Gopi


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