[yocto] Kernel build woes

[Bruce Ashfield]

On 15-01-21 11:02 AM, Gary Thomas wrote:
> Since the recent changes in how the kernel is built, some useful
> workflows have been broken.  In particular when working on a
> kernel, I use this sequence quite a lot:
>    $ bitbake virtual/kernel
>    $ bitbake virtual/kernel -c devshell
>    ... make some tweaks, add a test patch, etc
>    $ bitbake virtual/kernel -C compile
>
> Trying this with a quite recent master
> (4e20211090d2b193250edaa64f84e355a1c31fe5)
> I get this error on the compile step:
>
> ERROR: Function failed: do_compile (log file is located at
> /home/local/qemuarm_2015-01-09/tmp/work/qemuarm-poky-linux-gnueabi/linux-yocto/3.14.24+gitAUTOINC+a227f20eff_6166316d47-r0/temp/log.do_compile.29205)
>
> ERROR: Logfile of failure stored in:
> /home/local/qemuarm_2015-01-09/tmp/work/qemuarm-poky-linux-gnueabi/linux-yocto/3.14.24+gitAUTOINC+a227f20eff_6166316d47-r0/temp/log.do_compile.29205
>
> Log data follows:
> | DEBUG: Executing shell function do_compile
> | NOTE: make -j 4 zImage CC=arm-poky-linux-gnueabi-gcc
> -mno-thumb-interwork -marm LD=arm-poky-linux-gnueabi-ld.bfd
> |   CHK     include/config/kernel.release
> |   Using
> /home/local/qemuarm_2015-01-09/tmp/sysroots/qemuarm/usr/src/kernel as
> source for kernel
> |   /home/local/qemuarm_2015-01-09/tmp/sysroots/qemuarm/usr/src/kernel
> is not clean, please run 'make mrproper'
> |   in the
> '/home/local/qemuarm_2015-01-09/tmp/sysroots/qemuarm/usr/src/kernel'
> directory.
> | make[2]: *** [prepare3] Error 1
> | make[1]: *** [sub-make] Error 2
> | make: *** [all] Error 2
> | ERROR: oe_runmake failed
> | WARNING:
> /home/local/qemuarm_2015-01-09/tmp/work/qemuarm-poky-linux-gnueabi/linux-yocto/3.14.24+gitAUTOINC+a227f20eff_6166316d47-r0/temp/run.do_compile.29205:1
> exit 1 from
> |   exit 1
> | ERROR: Function failed: do_compile (log file is located at
> /home/local/qemuarm_2015-01-09/tmp/work/qemuarm-poky-linux-gnueabi/linux-yocto/3.14.24+gitAUTOINC+a227f20eff_6166316d47-r0/temp/log.do_compile.29205)
>
> ERROR: Task 10
> (/home/local/poky-cutting-edge/meta/recipes-kernel/linux/linux-yocto_3.14.bb,
> do_compile) failed with exit code '1'
>
> Note: this is not unique to the linux-yocto recipe, I've seen
> the same error when using some kernel recipes from meta-fsl-arm*,
> e.g. linux-boundary, as well as some local recipes which inherit
> kernel.bbclass
>
> Should I file this as a bug?

This has already been addressed in master as of Monday. The kernel is
in tmp/build/work-shared/, and can handle this sort of workflow.

Bruce

>