[yocto] custom linux kernel recipe fails

[Steve Pavao]

> On Jul 26, 2018, at 9:57 PM, ChenQi <Qi.Chen at windriver.com> wrote:
> 
> On 07/27/2018 12:56 AM, Steve Pavao wrote:
>> Hello -
>> 
>> I’m trying to build using a custom 64-bit kernel at head of sumo, but I get an error.  It seems that SRCPV cannot be resolved.    Please send any ideas you may have about how I may adapt my recipe to get it to work.
>> 
>> Normally, I use the default meta-raspberrypi kernel, but for this build, I am using PREFERRED_PROVIDER_virtual/kernel = "linux-yocto-custom” in my local.conf
>> 
>> My simple kernel recipe is in linux-yocto-custom.bb.  (It is based on the example recipe).
>> 
>> inherit kernel
>> require recipes-kernel/linux/linux-yocto.inc
>> 
>> PV = "${LINUX_VERSION}+git${SRCPV}"
>> PR = "r0"
>> 
>> LINUX_VERSION ?= "4.14.4"
>> LINUX_VERSION_EXTENSION_append = "-xenomai-ipipe-arm64"
>> 
>> SRC_URI = "http://gitlab.denx.de/Xenomai/ipipe-arm64;protocol=http;branch=master;nocheckout=1" <http://gitlab.denx.de/Xenomai/ipipe-arm64;protocol=http;branch=master;nocheckout=1>
>> SRCREV = "133bbf97672ff6e72fc21784b8ae44b194b76626"
> 
> Try:
> SRC_URI = "http://gitlab.denx.de/Xenomai/ipipe-arm64;protocol=http;branch=master;nocheckout=1;name=machine" <http://gitlab.denx.de/Xenomai/ipipe-arm64;protocol=http;branch=master;nocheckout=1>
> SRCREV_machine = "133bbf97672ff6e72fc21784b8ae44b194b76626"
> Best Regards,
> Chen Qi

Thanks for the idea, Chean Qui.  I tried it, but I still got the same WARNINGS and ERROR.

- Steve

> 
>> SRC_URI[md5sum] = "a5cb3babd85a94fda2905cc3db5e7825"
>> 
>> COMPATIBLE_MACHINE = "raspberrypi3-64"
>> 
>> the error:
>> 
>> WARNING: /data/development/lfs/yocto/poky/meta-korg-spark/recipes-kernel/linux/linux-yocto-custom.bb: Exception during build_dependencies for PKG_kernel-base
>> WARNING: /data/development/lfs/yocto/poky/meta-korg-spark/recipes-kernel/linux/linux-yocto-custom.bb: Error during finalise of /data/development/lfs/yocto/poky/meta-korg-spark/recipes-kernel/linux/linux-yocto-custom.bb
>> ERROR: ExpansionError during parsing /data/development/lfs/yocto/poky/meta-korg-spark/recipes-kernel/linux/linux-yocto-custom.bb
>> Traceback (most recent call last):
>> bb.data_smart.ExpansionError: Failure expanding variable PKG_kernel-base, expression was kernel-${@legitimize_package_name('${@get_kernelversion_headers('/data/development/lfs/yocto/build/spark/raspberrypi3-64/tmp/work/raspberrypi3_64-poky-linux/linux-yocto-custom/4.14.4+git${SRCPV}-r0/linux-raspberrypi3_64-standard-build')}')} which triggered exception SyntaxError: invalid syntax (PKG_kernel-base, line 1)
>> 
> 

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