Correct procedure for rebuilding after a git pull

Correct procedure for rebuilding after a git pull

[James Abernathy]

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So I'm looking for the right way to do this.  Here's the scenario.  I do a
complete build of the image core-image-cdv-media for the cedartrail
machine.  No changes from the basic BSP, except for the addition of my
meta-layer that include test audios and videos to help test the media
playback using gst-launch.  I'm tracking the latest Denzil branch.  So
everything works well to this point.

Now I see a bunch of patches pushed to Denzil branch and I want to test
them.  My build directory is untouched since the successful build before.
What do I do to rebuild my project to include the latest patches.  I've
tried things like "bitbake -c cleansstate core-image-cdv-media" before the
new "bitbake core-image-cdv-media" and I've tried just rebaking by itself.
Something always fails.  I've learned that to really test I have to
completely delete my build directory saving only my local.conf and
bblayer.conf.

Am I missing something or is a complete rebuild the only way to get the new
patches in and a successful build??

Jim A

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Re: Correct procedure for rebuilding after a git pull

[Burton, Ross]

On 3 October 2012 14:05, James Abernathy <jfabernathy@gmail.com> wrote:
> Now I see a bunch of patches pushed to Denzil branch and I want to test
> them.  My build directory is untouched since the successful build before.
> What do I do to rebuild my project to include the latest patches.  I've
> tried things like "bitbake -c cleansstate core-image-cdv-media" before the
> new "bitbake core-image-cdv-media" and I've tried just rebaking by itself.
> Something always fails.  I've learned that to really test I have to
> completely delete my build directory saving only my local.conf and
> bblayer.conf.

Just git pull ; bitbake should work -- all of the packages that
changed will rebuild without any problems.

That's the theory, and everyone who works against oe-core/poky master
does this ever day (including me).

Can you give an example of something that fails?

Ross

Re: Correct procedure for rebuilding after a git pull

[James Abernathy]

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On Wed, Oct 3, 2012 at 9:21 AM, Burton, Ross <ross.burton@intel.com> wrote:

> On 3 October 2012 14:05, James Abernathy <jfabernathy@gmail.com> wrote:
> > Now I see a bunch of patches pushed to Denzil branch and I want to test
> > them.  My build directory is untouched since the successful build before.
> > What do I do to rebuild my project to include the latest patches.  I've
> > tried things like "bitbake -c cleansstate core-image-cdv-media" before
> the
> > new "bitbake core-image-cdv-media" and I've tried just rebaking by
> itself.
> > Something always fails.  I've learned that to really test I have to
> > completely delete my build directory saving only my local.conf and
> > bblayer.conf.
>
> Just git pull ; bitbake should work -- all of the packages that
> changed will rebuild without any problems.
>
> That's the theory, and everyone who works against oe-core/poky master
> does this ever day (including me).
>
> Can you give an example of something that fails?
>


> The most recent patch update to Denzil included some Cedartrail BSP
> updates to the CDV PVR driver.  I was traveling last week and I was out of
> date on my poky and meta-intel by at least that long.  Monday was the
> pull.  So when the rebuild happened, I got a cdv-pvr driver configuration
> error.  I didn't look into why because of my experience of this taking
> longer than a complete rebuild.  So I deleted the build directory and did
> the rebuild.  And I didn't get the error on the rebuild.  Everything still
> works fine for me on that BSP.


Jim A


> Ross
>

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Re: Correct procedure for rebuilding after a git pull

[Jack Mitchell]

On 03/10/12 14:27, James Abernathy wrote:
>
>
> On Wed, Oct 3, 2012 at 9:21 AM, Burton, Ross <ross.burton@intel.com 
> <mailto:ross.burton@intel.com>>wrote:
>
>     On 3 October 2012 14:05, James Abernathy <jfabernathy@gmail.com
>     <mailto:jfabernathy@gmail.com>> wrote:
>     > Now I see a bunch of patches pushed to Denzil branch and I want
>     to test
>     > them.  My build directory is untouched since the successful
>     build before.
>     > What do I do to rebuild my project to include the latest
>     patches.  I've
>     > tried things like "bitbake -c cleansstate core-image-cdv-media"
>     before the
>     > new "bitbake core-image-cdv-media" and I've tried just rebaking
>     by itself.
>     > Something always fails.  I've learned that to really test I have to
>     > completely delete my build directory saving only my local.conf and
>     > bblayer.conf.
>
>     Just git pull ; bitbake should work -- all of the packages that
>     changed will rebuild without any problems.
>
>     That's the theory, and everyone who works against oe-core/poky master
>     does this ever day (including me).
>
>     Can you give an example of something that fails?
>
>     The most recent patch update to Denzil included some Cedartrail
>     BSP updates to the CDV PVR driver.  I was traveling last week and
>     I was out of date on my poky and meta-intel by at least that
>     long.  Monday was the pull.  So when the rebuild happened, I got a
>     cdv-pvr driver configuration error.  I didn't look into why
>     because of my experience of this taking longer than a complete
>     rebuild.  So I deleted the build directory and did the rebuild. 
>     And I didn't get the error on the rebuild.  Everything still works
>     fine for me on that BSP.
>
> Jim A
>
>     Ross
>
>

I also use this work flow. If something goes wrong with a particular 
package then I will -c cleansstate failed-package and then start the 
build again. This usually fixes it.

Regards,

>
>
> _______________________________________________
> yocto mailing list
> yocto@yoctoproject.org
> https://lists.yoctoproject.org/listinfo/yocto


-- 

   Jack Mitchell (jack@embed.me.uk)
   Embedded Systems Engineer
   http://www.embed.me.uk

--

Re: Correct procedure for rebuilding after a git pull

[Burton, Ross]

On 3 October 2012 14:37, Jack Mitchell <ml@communistcode.co.uk> wrote:
> I also use this work flow. If something goes wrong with a particular package
> then I will -c cleansstate failed-package and then start the build again.
> This usually fixes it.

Bringing the failure on on the list / bug would be appreciated,
everything *should* rebuild cleanly (especially with recent changes in
master).

Ross

Re: Correct procedure for rebuilding after a git pull

[Jack Mitchell]

On 03/10/12 14:37, Burton, Ross wrote:
> On 3 October 2012 14:37, Jack Mitchell <ml@communistcode.co.uk> wrote:
>> I also use this work flow. If something goes wrong with a particular package
>> then I will -c cleansstate failed-package and then start the build again.
>> This usually fixes it.
> Bringing the failure on on the list / bug would be appreciated,
> everything *should* rebuild cleanly (especially with recent changes in
> master).
>
> Ross

I'll bear that in mind.

I believe it was ext2fs that failed earlier today on my production build 
machine. Again a -c cleansstate fixed it and I didn't investigate so I 
can't add anything else!

Regards,

-- 

   Jack Mitchell (jack@embed.me.uk)
   Embedded Systems Engineer
   http://www.embed.me.uk

--

Re: Correct procedure for rebuilding after a git pull

[Khem Raj]

On Wed, Oct 3, 2012 at 6:42 AM, Jack Mitchell <ml@communistcode.co.uk> wrote:
>
> I'll bear that in mind.
>

that will help a lot in fixing sstate

> I believe it was ext2fs that failed earlier today on my production build
> machine. Again a -c cleansstate fixed it and I didn't investigate so I can't
> add anything else!

cleansstate was a stop gap but should be avoided as much as possible.