Re: [OE-core] [scarthgap 00/28] Pull request (cover letter only)

["Yoann Congal" <yoann.congal@smile.fr>]

On Tue Feb 17, 2026 at 1:59 PM CET, Paul Barker wrote:
> On Tue, 2026-02-17 at 12:09 +0100, Yoann Congal via
> lists.openembedded.org wrote:
>> On Tue Feb 17, 2026 at 11:18 AM CET, Javier Viguera wrote:
>> > Hi Yoann,
>> > 
>> > On 2/13/26 19:47, Yoann Congal via lists.openembedded.org wrote:
>> > > 
>> > > Richard Purdie (2):
>> > >    pseudo: Update to 1.9.3 release
>> > >    pseudo: Update to include an openat2 fix
>> > > 
>> > 
>> > The backport of the pseudo patches to Scarthgap broke the build on 
>> > Ubuntu 20, as it still uses glibc 2.31, so the pseudo-native build fails 
>> > with:
>> > 
>> > > In file included from pseudo_ports.h:5,
>> > >                  from pseudo.h:164,
>> > >                  from pseudo_wrappers.c:30:
>> > > ports/linux/pseudo_wrappers.c: In function ‘syscall’:
>> > > ports/linux/portdefs.h:59:21: error: ‘__NR_openat2’ undeclared (first 
>> > use in this function); did you mean ‘real_openat2’?
>> > >    59 | #define SYS_openat2 __NR_openat2
>> > >       |                     ^~~~~~~~~~~~
>> > 
>> > According to poky.conf, ubuntu-20 is still a supported distro to build 
>> > Scarthgap, so I guess this needs to be somehow fixed.
>> 
>> Thanks for the report, I'm working on a fix.
>> In this case, __NR_openat2 is not present in the kernel headers.
>> (Ubuntu 20.04 is on Linux 5.4, the openat2 syscall was added in 5.6)
>
> Can we just define __NR_openat2 if it is not already defined?
>
> It's defined in include/uapi/asm-generic/unistd.h as:
>     #define __NR_openat2 437

FYI, I've sent a patch to pseudo with this:
[pseudo] [PATCH] ports/linux: define __NR_openat2 if missing
https://lists.yoctoproject.org/g/yocto-patches/message/3248

> Best regards,


-- 
Yoann Congal
Smile ECS