Re: [PATCH] crossvars.bbclass: use d.appendVar instead of d.setVar for SDK_TOOLCHAIN variable

[Srinuvasan Arjunan <srinuvasanasv@gmail.com>]

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On Monday, May 22, 2023 at 11:24:53 AM UTC+5:30 Jan Kiszka wrote:

On 22.05.23 07:16, 'Jan Kiszka' via isar-users wrote: 
> On 22.05.23 06:41, Srinuvasan Arjunan wrote: 
>> From: Srinuvasan A <srinuv...@siemens.com> 
>> 
>> In downstream layer we may override the sdk_toolchain, but this not 
works as 
>> expected in latest ISAR, the reason behind this as they moved toolchain 
>> selection into python Anonymous function. 
> 
> Dod you want to append or do you want to replac SDK_TOOLCHAIN in 
> downstream? In the latter case, we likely rather want to make our 
> assignment in isar weak, no? 
> 
> if not d.getVar('SDK_TOOLCHAIN'): 
> ... 
> 

Also to answer: Why is SDK_PREINSTALL insufficient for your customization? 

Jan 

-- 
Siemens AG, Technology 
Competence Center Embedded Linux

 

    yes we can append our toolchain via SDK_PREINSTALL, but i need to 
replace with the "crossbuild-essential-${COMPAT_DISTRO_ARCH}" , this one 
comes via SDK_TOOLCHAIN variable, if i append " gcc-multilib g++-multilib" 
without removing the crossbuild-essential am facing broken package problem.
Logs:

 Broken gcc-multilib:amd64 Conflicts on gcc-10-i686-linux-gnu:amd64 < none 
-> 10.2.1-6cross1 @un puN Ib >
 |   Considering gcc-10-i686-linux-gnu:amd64 1 as a solution to 
gcc-multilib:amd64 10001
 | Investigating (0) gcc-10-i686-linux-gnu:amd64 < none -> 10.2.1-6cross1 
@un puN Ib >

Eventually I need to remove crossbuild-essential, but this one will do via 
SDK_TOOLCHAIN remove override , but this does not work in the downstream 
layer, because always ISAR's python anonymous function wins and set its 
value.

Thanks,
Srinu 

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