Re: Change in glibc about _STAT_VER in Fedora rawhide?

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* Jan Pazdziora:

> So do you recommend for fakechroot to hardcode something like
>
> --- a/src/libfakechroot.h
> +++ b/src/libfakechroot.h
> @@ -224,4 +224,14 @@ int fakechroot_try_cmd_subst (char *, const char *, char *);
>  int snprintf(char *, size_t, const char *, ...);
>  #endif
>
> +#ifndef _STAT_VER
> +#if defined (__aarch64__)
> +#define _STAT_VER 0
> +#elif defined (__x86_64__)
> +#define _STAT_VER 1
> +#else
> +#define _STAT_VER 3
> +#endif
> +#endif
> +
>  #endif
>
> for all the arches?

Yes, the fakeroot case is really quite unusual, I think.

>> There's a Fedora-specific hack in rawhide glibc to bring back the
>> __xstat and related symbols for linking.  This in the process of being
>> upstreamed.
>
> Does that include __fxstatat64? And is the hack already in
> glibc-2.32.9000-16.fc34 or is it on the way to rawhide?

Looking at the current rawhide buildroot, it's already there:

# eu-readelf --symbols=.dynsym /lib64/libc.so.6 | grep __fxstat64
 1059: 00000000000f1880     84 FUNC    GLOBAL DEFAULT       15 __fxstat64@@GLIBC_2.2.5

The @@ means it's available for linking.

It's missing from upstream right now, but we'll fix that before the
upstream release.

Thanks,
Florian
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