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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[yocto] Yocto/Poky with external linaro toolchain

[Thomas Kaufmann]

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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