Re: [PATCH v3 0/7] Isar cross-compilation support

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2018-07-17 15:18, Alexander Smirnov wrote:
> Hi everybody,
> 
> sorry for the delay, this is the third version of cross-compilation
> support for Isar.
> 

Thanks for the update!

> Supported targets for cross-compilation:
>  - stretch armhf
>  - stretch amd64
> 
> Artifacts could be cross-compiled:
>  - dpkg.bbclass users
>  - dpkg-raw.bbclass users
>  - kernel
> 
> Known issues:
>  - if target and host architectures are the same, there is no need
>    to use host buildchroot.
>  - kernel module doesn't support cross-compilation. Default linux-headers
>    package depends from target gcc binaries. So attempt to install, for
>    example linux-headers-armmp, tries to install gcc:armhf, what rises
>    conflict with the host tools.

Could you imagine overriding such specialties with extra rules, even if
package specific? Not having kernel module in the cross compilation
chain main cause troubles (or does it work fine to cross-build the
kernel and then natively build the modules?).

> 
> To enable cross-compilation, the variable ISAR_CROSS_COMPILE should be set
> to "1" in local.conf file.

I will retry that series soon, on my standard testcase jailhouse-images.
It's growing and urgently needs an accelerator :).

Jan

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