[yocto] Deleting layers in Hob

[Barros Pena, Belen]

Great! Care to tell us a bit about it, or will we have to hold our breath
until you submit the patches? ;)

Belen

On 29/03/2012 13:00, "Xu, Dongxiao" <dongxiao.xu at intel.com> wrote:

>On Thu, 2012-03-29 at 19:05 +0800, Barros Pena, Belen wrote:
>> Hi all,
>> 
>> Do we have enough information to make a decision about the meta-yocto
>> layer? I don't understand all the technical details, but I am inclined
>>to
>> make it non-deletable in Hob (i.e. it is not possible to delete this
>>layer
>> in Hob).
>
>The layer is removable in Hob, since many people are just using oe-core
>without meta-yocto layer.
>
>I have patches to solve the deletion of meta-yocto layer, and will send
>it out soon.
>
>Thanks,
>Dongxiao
>
>> 
>> What do you think?
>> 
>> Belen
>> 
>> On 27/03/2012 17:56, "Joshua Lock" <josh at linux.intel.com> wrote:
>> 
>> >On 27/03/12 00:19, Lu, Lianhao wrote:
>> >>
>> >>> -----Original Message-----
>> >>> From: yocto-bounces at yoctoproject.org
>> >>>[mailto:yocto-bounces at yoctoproject.org] On Behalf Of Xu, Dongxiao
>> >>> Sent: Tuesday, March 27, 2012 2:49 PM
>> >>> To: yocto
>> >>> Subject: [yocto] Deleting layers in Hob
>> >>>
>> >>> When using Hob in Yocto Project, I found a issue when deleting
>>layers.
>> >>>I
>> >>> think I ever raised this problem before.
>> >>>
>> >>> Let me briefly introduce how layer removal works in Hob. When user
>> >>> changes a layer, it will following the below steps
>> >>> 1) init the cooker.
>> >>> 2) set new layers to cooker.
>> >>> 3) parse configuration files.
>> >>> 4) get available machines, distros, SDKs, etc.
>> >>>
>> >>> As we know, if we source oe-init-build-env in Yocto project
>> >>>environment,
>> >>> we will have DISTRO="poky" set in local.conf by default, where the
>> >>> "poky" DISTRO comes from the meta-yocto layer. If user deletes
>> >>> meta-yocto in Hob, and then error will happen when bitbake parsing
>>the
>> >>> local.conf, since it could not find where the "poky" DISTRO is
>>defined.
>> >>>
>> >>> Even if we are able to successfully removed the meta-yocto layer by
>> >>> removing the DISTRO definition in local.conf, system will report
>> >>>another
>> >>> issue that:
>> >>>
>> >>> Your configuration is using stamp files including the sstate hash
>>but
>> >>> your build directory was built with stamp files that do not include
>> >>> this.
>> >>> To continue, either rebuild or switch back to the OEBasic signature
>> >>> handler with BB_SIGNATURE_HANDLER = 'OEBasic'.
>> >>>
>> >>> This is because BB_SIGNATURE_HANDLER = "OEBasic" is also defined in
>> >>> meta-yocto layer (poky.conf).
>> >>
>> >> Meta-yocto is using OEBasicHash as default signature
>> >>handler(ABI_VERSION=8, see ${TMPDIR}/abi_version), while oe-core is
>> >>still using the OEBasic(ABI_VERSION=7). This means the oe-core can not
>> >>reuse the stamp files generated by meta-yocto.
>> >
>> >Could we workaround the incompatibility by setting BB_SIGNATURE_HANDLER
>> >= "OEBasic" somewhere in meta-hob?
>> >
>> >Cheers,
>> >Joshua
>> >-- 
>> >Joshua '贾詡' Lock
>> >         Yocto Project "Johannes factotum"
>> >         Intel Open Source Technology Centre
>> >_______________________________________________
>> >yocto mailing list
>> >yocto at yoctoproject.org
>> >https://lists.yoctoproject.org/listinfo/yocto
>> 
>
>

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