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

[Paul Barker <paul@pbarker.dev>]

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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

Best regards,

-- 
Paul Barker


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