Re: [yocto] Yocto/Poky with external linaro toolchain

[Thomas Kaufmann]

Hi

Apparently this is the case. I ported my distro stuff back to the arago 
distribution, now I get a different error with the SDK generation.
I will check in the arago project.
Thanks anyways.

Regards Thomas

From: Christopher Larson [mailto:clar...@kergoth.com]
Sent: Friday, February 12, 2016 9:01 PM
To: Thomas Kaufmann <thomas.kaufm...@duagon.com>; yocto@yoctoproject.org
Subject: Re: [yocto] Yocto/Poky with external linaro toolchain


On Fri, Feb 12, 2016 at 2:47 AM Thomas Kaufmann 
<thomas.kaufm...@duagon.com<mailto:thomas.kaufm...@duagon.com>> wrote:
Hi Christopher

thanks for this hint, this prevented a lot of packages from being built.
However I still face an additional issue. in the last step of do_populate_sdk, 
when the sdk is actually supposed to be put together.
I get this output:

Collected errors:
* satisfy_dependencies_for: Cannot satisfy the following dependencies for 
packagegroup-core-standalone-sdk-target:
*libc6 (= 2015.08-r0) *  glibc-utils *
 * opkg_install_cmd: Cannot install package 
packagegroup-core-standalone-sdk-target.

how can it be, that everything is built correctly and in the end there is a 
dependency missing?
I tried altering my LIBC_DEPENDENCIES, but with no success so far.
I am also using tclibc-external-linaro-toolchain.inc from
http://arago-project.org/git/?p=meta-arago.git;a=blob;f=meta-arago-extras/conf/distro/include/tclibc-external-linaro-toolchain.inc;hb=HEAD

This looks like it's specific to your linaro toolchain bits. I'd recommend 
contacting the linaro or arago folks.
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Re: [yocto] Yocto/Poky with external linaro toolchain

[Christopher Larson]

On Fri, Feb 12, 2016 at 2:47 AM Thomas Kaufmann 
wrote:

> Hi Christopher
>
>
>
> thanks for this hint, this prevented a lot of packages from being built.
>
> However I still face an additional issue. in the last step of
> do_populate_sdk, when the sdk is actually supposed to be put together.
>
> I get this output:
>
>
>
> Collected errors:
>
> * satisfy_dependencies_for: Cannot satisfy the following dependencies for
> packagegroup-core-standalone-sdk-target:
>
> *libc6 (= 2015.08-r0) *  glibc-utils *
>
>  * opkg_install_cmd: Cannot install package
> packagegroup-core-standalone-sdk-target.
>
>
>
> how can it be, that everything is built correctly and in the end there is
> a dependency missing?
>
> I tried altering my LIBC_DEPENDENCIES, but with no success so far.
>
> I am also using tclibc-external-linaro-toolchain.inc from
>
>
> http://arago-project.org/git/?p=meta-arago.git;a=blob;f=meta-arago-extras/conf/distro/include/tclibc-external-linaro-toolchain.inc;hb=HEAD
>

This looks like it's specific to your linaro toolchain bits. I'd recommend
contacting the linaro or arago folks.
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Re: [yocto] Yocto/Poky with external linaro toolchain

[Christopher Larson]

https://github.com/MentorEmbedded/meta-mentor/blob/master/meta-mel/conf/include/drop-toolchain-from-sdk.inc
may
be of interest to you.

On Wed, Feb 10, 2016 at 9:01 AM Thomas Kaufmann 
wrote:

> Hi
>
>
>
> I started porting an existing linux system to the latest yocto base. The
> hardware TI am 335x based.
>
> I want to use the external linaro toolchains. Since I use an existing 3.2
> linux kernel as well as an older u-boot, I created a own machine and distro
> configuration. I succeed to build and run the target, so far so good.
>
>
>
> To incorporate the external toolchains I added
>
>
>
> TCMODE = "external-linaro"
>
> EXTERNAL_TOOLCHAIN =
> "//gcc-linaro-5.1-2015.08-x86_64_arm-linux-gnueabihf"
>
>
>
> to the local.conf file and
>
>
>
> meta-linaro/meta-linaro-toolchain
>
>
>
> to the BBLAYERS in bblayers.conf. meta-linaro was cloned using git.
>
> For my "legacy" packages I adjust "EXTERNAL_TOOLCHAIN" to a gcc-4.9
> version, this seems to work and everything compiles.
>
>
>
> Now my next step is to create an SDK distribution.
>
> When I do do_populate_sdk with bitbake for my image, however the process
> seems to compile a new cross compiler for the target as well as various
> qemu things and also newer kernel releases.
>
>
>
> Is this the preferred way to integrate the linaro toolchain into poky? Can
> anybody share their experience? I find various presentations and snippets
> about this topic, but nothing is complete.
>
> How do I create a SDK distribution which does not feature any QEMU (I want
> to deploy to target hardware) and uses the existing prebuilt toolchain?
> Build host and target sdk host would be x86_64.
>
>
>
> Any recommendations are welcome.
>
>
>
> regards Thomas Kaufmann
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