[oi-dev] GCC rebuilds

[Stephan Althaus]

On 8/1/23 10:15, Till Wegmüller wrote:
> Hi Stephan
>
> Your idea is sound. The pkg file next to a Makefile in the same 
> directory indicate a component.
>
> The pkg file contains a json with all required packages so the grep 
> trick works, you can also use jq to filter out the json syntax cleanly.
>
> The rebuild is one thing we should do yes, so if you can bump the 
> version numbers I can run it through CI.
>
> It's a good idea! keep going.
>
> -Till
>
> On 01.08.23 07:40, Stephan Althaus wrote:
>> Hello!
>>
>> We are stumbling over some faults with regard to the GCC Version change.
>>
>> i had the idea of a half-automation of these steps:
>> - find packages that need a rebuild
>> - patch Makefile and pkg5
>> - git checkout -b , git add, git commit, etc..
>>
>> How to identify the appropriate packages ?
>> When i select packages by " (grep gcc-7-runtime" pkg) == true " i get 
>> some candidates..
>>
>> -> Do we have to rebuild all other packages that have been build 
>> prior to the commit "switch default gcc to version 10"
>> because of the "ABI change" ??
>>
>> That would be >200 packages..
>>
>> Or is my idea "stupid" in the end?
>>
>> Regards,
>> Stephan
>>
>>
>>
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Hello!

Thanks for your response!

The one thing left open in my mind,
does the "ABI change" indeed change the function calls in a way,
so that in situations like

someprog_compiled_with_gcc10 -> somelib-compiled-with-gcc7->func() -> 
somelib-compiled-with-gcc10->func() ...

or-the-like are broken?

In this case we have to rebuild all packages that have been build before 
december-2022.

Regards,
Stephan