[OE-core] Machine specific sysroot issue

[Koen Kooi]

Op 15 aug. 2011, om 16:42 heeft Paul Eggleton het volgende geschreven:

> On Monday 15 August 2011 15:30:53 Koen Kooi wrote:
>>> Same way it gets installed, it looks for it in ${OPIEDIR}. It's just that
>>> the second time around if the machine is not the same, ${OPIEDIR} is not
>>> the same either.
>> 
>> That sounds like an expanded version is getting stored somewhere where it
>> shouldn't
> 
> How could that be the case? If it stayed the same I could understand it...
> 
> It's pretty straightforward; OPIEDIR is set to STAGING_DIR_HOST, but 
> STAGING_DIR_HOST is now ${STAGING_DIR}/${MACHINE},  thus if you change the 
> machine, STAGING_DIR_HOST also changes. In OE-dev (and Poky prior to machine-
> specific sysroots) STAGING_DIR_HOST was ${STAGING_DIR}/${BASEPKG_HOST_SYS}, 
> thus there was no problem.

if a recipe (or upstream code) does something like

echo $OPIEDIR > foo.config

And after you stage foo.config it will point to the old sysroot when changing machine. In other words: something in opie isn't relocatable.