Hi Khem, Thanks for the hints but unfortunately I got the following error :
~/Projects/yocto/build$ MACHINE=raspberrypi bitbake -f virtual/kernel WARNING: Duplicate inclusion for /home/zak/Projects/yocto/meta- something/conf/machine/raspberrypi.conf in /home/zak/Projects/yocto/meta- something/conf/machine/raspberrypi.conf WARNING: Duplicate inclusion for /home/zak/Projects/yocto/meta- something/conf/machine/raspberrypi.conf in /home/zak/Projects/yocto/meta- something/conf/machine/raspberrypi.conf WARNING: Duplicate inclusion for /home/zak/Projects/yocto/meta- something/conf/machine/raspberrypi.conf in /home/zak/Projects/yocto/meta- something/conf/machine/raspberrypi.conf WARNING: Duplicate inclusion for /home/zak/Projects/yocto/meta- something/conf/machine/raspberrypi.conf in /home/zak/Projects/yocto/meta- something/conf/machine/raspberrypi.conf ERROR: Unable to parse /home/zak/Projects/yocto/bitbake/lib/bb/data_smart.py Traceback (most recent call last): File "/home/zak/Projects/yocto/bitbake/lib/bb/data_smart.py", line 400, in DataSmart.expandWithRefs(s='/home/zak/Projects/yocto/meta- poky:${TOPDIR}:/home/zak/Projects/yocto/meta:/home/zak/ Projects/yocto/meta-yocto-bsp:/home/zak/Projects/yocto/meta- yocto-bsp:/home/zak/Projects/yocto/meta-something:/home/ zak/Projects/yocto/meta-raspberrypi:/home/zak/Projects/yocto/meta-openembedded/meta-oe', varname='BBPATH'): except Exception as exc: > raise ExpansionError(varname, s, exc) from exc bb.data_smart.ExpansionError: Failure expanding variable BBPATH, expression was /home/zak/Projects/yocto/meta-poky:${TOPDIR}:/home/zak/ Projects/yocto/meta:/home/zak/Projects/yocto/meta-yocto-bsp: /home/zak/Projects/yocto/meta-yocto-bsp:/home/zak/Projects/ yocto/meta-something:/home/zak/Projects/yocto/meta-raspberrypi:/home/zak/ Projects/yocto/meta-openembedded/meta-oe which triggered exception RecursionError: maximum recursion depth exceeded while calling a Python object 2017-01-12 21:39 GMT+01:00 Khem Raj <raj.k...@gmail.com>: > On Thu, Jan 12, 2017 at 10:37 AM, Ayoub Zaki <ayoub.z...@googlemail.com> > wrote: > > Hello, > > > > I'm trying to figure out how can I override machine settings, for > example in > > raspberrypi I want to change default kernel version from 4.4.x to 4.1.x > for > > that I created in my layer meta-somelayer/conf/machine/raspberrypi.conf > : > > there is a machine config with same name in meta-raspberrypi layer and > thats taking > precedence over your layer see conf/layer.conf where it sets the > PRIORITY and also ensure > the BBPATHs are prefixed for your layer to be in front of > meta-raspberrypi layer. So that > it uses your layer and falls back to meta-raspberrypi to do the filler > work. > > > > > > require conf/machine/raspberrypi.conf > > PREFERRED_VERSION_linux-raspberrypi = "4.1.%" > > > > > > when I ran bitbake it gives: > > > > $ MACHINE=raspberrypi bitbake virtual/kernel > > > > NOTE: Tainting hash to force rebuild of task > > /home/zak/Projects/yocto/meta-somelayer/recipes-kernel/linux/ > linux-raspberrypi_4.4.bb, > > do_compile > > > > so it seems that bitbake ignored my override settings ! > > > > I'm using morty branch and my layer meta-somelayer has higher priority > than > > meta-rapberrypi : > > > > $ bitbake-layers show-layers > > layer path priority > > ============================================================ > ============== > > meta /home/zak/Projects/yocto/meta 5 > > meta-yocto-bsp /home/zak/Projects/yocto/meta-yocto-bsp 5 > > meta-poky /home/zak/Projects/yocto/meta-poky 5 > > meta-yocto-bsp /home/zak/Projects/yocto/meta-yocto-bsp 5 > > meta-raspberrypi /home/zak/Projects/yocto/meta-raspberrypi 9 > > meta-somelayer /home/zak/Projects/yocto/meta-somelayer 5 > > > > > > when I tried to override the setting in rpi.conf instead of > raspberrypi.conf > > in meta-somelayer/conf/machine/rpi.conf: > > > > MACHINEOVERRIDES = "raspberrypi:${MACHINE}" > > require conf/machine/raspberrypi.conf > > > > PREFERRED_VERSION_linux-raspberrypi = "4.1.%" > > > > and running bitbake with : > > > > > > $ MACHINE=rpi bitbake virtual/kernel > > NOTE: Tainting hash to force rebuild of task > > /home/zak/Projects/yocto/meta-somelayer/recipes-kernel/linux/ > linux-raspberrypi_4.1.bb, > > do_compile > > > > it worked ! > > > > My objective however is to override the machine settings and keep the > same > > MACHINE name. > > > > Any Ideas? > > > > > > Regards, > > > > > > > > > > > > -- > > _______________________________________________ > > yocto mailing list > > yocto@yoctoproject.org > > https://lists.yoctoproject.org/listinfo/yocto > > >
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