bitbake: d.getVar("X", True) what does True mean?
https://stackoverflow.com/questions/37041117/bitbake-d-getvarx-true-what-does-true-mean
https://velog.io/@markyang92/yocto-addtask#dgetvar
d.getVar()
다시말해, d.getVar("B", True) 일때 True이면 변수B가 의존하는 다른 변수값을 포함해 리턴
A = "x86"
B = "architecture_${A}" 이면
d.getVar("B", expand=True) 는 "architecture_x86"
Those who have a 'why' to live, can bear with almost any 'how'.