I understand and appreciate that. But the distinction between manually downloading or automatically downloading isn't important to me.
Perhaps buildroot does the closest thing. I'll have to give it a go.
Perhaps buildroot does the closest thing. I'll have to give it a go.
Everything is customizable, every file, every compiler flag and option of every package, with easy overrides in your own layer which only 'appends' to the original instructions, or adding and removing packages as you see fit in the base install.