Re: SDK Container for app development is missing some applications

["'Antoine Petty' via isar-users" <isar-users@googlegroups.com>]

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For extra context, I'm using the `ghcr.io/siemens/kas/kas-isar:3.1` image 
to build the SDK in case that's relevant

On Monday, March 17, 2025 at 10:33:59 AM UTC Antoine Petty wrote:

> Thanks Jan, I've given that a go but it doesn't seem to have made a 
> difference.
>
> I now have e.g.
> ```
> SDK_PREINSTALL += "cmake"
> SDK_PREINSTALL += "cmake:${DISTRO_ARCH}"
> ```
> for all the SDK libraries I'm specifying
>
> When I use `bitbake -e`, `SDK_PREINSTALL=` includes e.g. `... cmake 
> cmake:armhf ... libboost-all-dev libboost-all-dev:armhf ...`.
> But when spinning that up into a container, cmake isn't installed at all 
> and it still looks like only the host version of boost is in the container. 
> It also needed me to bump the PR in the include file to recognise there 
> were changes so perhaps that's a symptom of something not being picked up?
>
> The kas file is pointing to `debug-image` which I understand as being the 
> debug-image.bb file, which includes debug.inc where I'm adding these 
> changes.
>
> Don't suppose you have any other ideas?
>
> Thanks
> Antoine
>
> On Friday, March 14, 2025 at 5:49:44 PM UTC Jan Kiszka wrote:
>
>> On 14.03.25 17:49, 'Antoine Petty' via isar-users wrote: 
>> > Hi all 
>> > 
>> > I'm familiar with Yocto but fairly new to using ISAR. 
>> > 
>> > I am able to create a containerised SDK file system which includes the 
>> > libraries I'm using e.g. Boost but seems to be missing the additional 
>> > tools such as cmake.  
>> > It has included Boost for the host architecture but not for the target 
>> > architecture - I was expecting the target architecture libraries as 
>> well 
>> > so that I could cross-compile my application? 
>> > 
>> > I'm using KAS and my target recipe has the following: 
>> > ``` 
>> > SDK_INCLUDE_ISAR_APT = "1" 
>> > ISAR_CROSS_COMPILE = "1" 
>> > SDK_FORMATS = "docker-archive" 
>> > SDK_PREINSTALL += "cmake" 
>> > SDK_PREINSTALL += "libboost-all-dev" 
>> > SDK_PREINSTALL += ...several other libraries and tools 
>> > ``` 
>> > 
>> > When checking my environment with bitbake I can see 
>> > `DISTRO_ARCH="armhf"`. I can see my container has the g++ etc cross- 
>> > compilers for this architecture which I assume is triggered by this 
>> > variable. 
>> > 
>> > So in summary, I have two problems: 
>> > 
>> > 1. Missing tools specified in `SDK_PREINSTALL` 
>> > 2. Missing cross-compiled dependencies such as Boost 
>> > 
>> > Am I doing something wrong or misunderstanding how this works? 
>> > 
>> > Thank you :) 
>> > 
>>
>> When cross-compiling, you will generally have to specific the arch for 
>> the extra SDK dev packages. See e.g. here: 
>>
>>
>> https://github.com/siemens/meta-iot2050/blob/bb0721efdaa67aee7702aacef6f5709d7a0b33bb/conf/distro/iot2050-debian.conf#L35 
>>
>> It that also does not help, check via "bitbake -e" which value 
>> SDK_PREINSTALL actually gets assigned in the end. 
>>
>> Jan 
>>
>> -- 
>> Siemens AG, Foundational Technologies 
>> Linux Expert Center 
>>
>

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