On Tue, Nov 29, 2022 at 4:10 PM Ian Lance Taylor <iant@golang.org> wrote:
>
> On Tue, Nov 29, 2022 at 9:54 AM <soeren@soeren-tempel.net> wrote:
> >
> > From: Sören Tempel <soeren@soeren-tempel.net>
> >
> > On glibc, there are two versions of strerror_r: An XSI-compliant and a
> > GNU-specific version. The latter is only available on glibc. In order
> > to avoid duplicating the post-processing code of error messages, this
> > commit provides a separate strerror_go symbol which always refers to the
> > XSI-compliant version of strerror_r (even on glibc) by selectively
> > undefining the corresponding feature test macro.
> >
> > Previously, gofrontend assumed that the GNU-specific version of
> > strerror_r was always available on Linux (which isn't the case when
> > using a musl as a libc, for example). This commit thereby improves
> > compatibility with Linux systems that are not using glibc.
> >
> > Tested on x86_64 Alpine Linux Edge and Arch Linux (glibc 2.36).
>
> Thanks.  I committed a version of this, as attached.

I've committed this follow-on patch for Hurd.

Ian