Re: [yocto] Scarthgap native build errors

FWIW: ubuntu-25.10 (which I happen to use in docker for some of
scarthgap builds) snapshot switched to gcc-15 last week as well, so
I've sent fixes for these (cmake and git will be sent later today)

On Tue, Jun 24, 2025 at 8:02 PM Yoann Congal via
lists.yoctoproject.org <[email protected]>
wrote:
>
> Hello,
>
> Le mar. 24 juin 2025 à 19:06, Rudolf J Streif via lists.yoctoproject.org <[email protected]> a écrit :
>>
>> I am building on Fedora Core 42 with gcc 15.1. I am currently seeing two
>> strange errors when building native packages for cmake-native and
>> git-native:
>>
>> cmake-native:
>>
>> tcu-firmware/build/tmp/work/x86_64-linux/cmake-native/3.28.3/cmake-3.28.3/Utilities/cmcppdap/include/dap/network.h:31:39
>>
>> error: ‘uint32_t’ has not been declared
>> |    31 |                                       uint32_t timeoutMillis = 0);
>> |       |                                       ^~~~~~~~
>>
>> This can of course easily be fixed by including <cstdint>. However, it's
>> still strange that this is happening and it's the first time that I am
>> seeing this.
>>
>>
>> git-native:
>>
>> | reflog.c:211:104: error: macro ‘unreachable’ passed 3 arguments, but
>> takes just 0
>> |   211 | static int unreachable(struct expire_reflog_policy_cb *cb,
>> struct commit *commit, struct object_id *oid)
>> | | ^
>> | In file included from git-compat-util.h:225,
>> |                  from reflog.c:1:
>> | /usr/lib/gcc/x86_64-redhat-linux/15/include/stddef.h:468:9: note:
>> macro ‘unreachable’ defined here
>> |   468 | #define unreachable() (__builtin_unreachable ())
>> |       |         ^~~~~~~~~~~
>>
>> The weird thing with this issue is that line 211 in reflog.c declares
>> the function unreachable() with three parameters. However, the compiler
>> interprets it as the macro unreachable for stddef.h being called.
>> Unfortunately, I don't have a solution for this.
>
>
> Looking at your cmake version, you are on Scarthgap.
> Fedora Core 42 is not a supported distribution for Scarthgap : https://docs.yoctoproject.org/5.0.10/ref-manual/system-requirements.html#supported-linux-distributions
> So, the official solution is to use a supported build OS (as a container for example).
>
> FYI, Fedora Core 42 is not even tested on master right now so it is definitely too recent for scarthgap.
>
> Regards,
>
>>
>> Thanks,
>> Rudi
>>
>>
>>
>>
>
>
> --
> Yoann Congal
> Smile ECS
>
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