[PATCH v2] Build programs in $(others-noinstall) like if libgcc_s is available

[H.J. Lu]

On Sat, Nov 1, 2025 at 5:24 AM Joseph Myers <josmyers@redhat.com> wrote:
>
> On Fri, 31 Oct 2025, H.J. Lu wrote:
>
> > On Fri, Oct 31, 2025 at 1:00 AM Andreas Schwab <schwab@suse.de> wrote:
> > >
> > > On Sep 15 2025, H.J. Lu wrote:
> > >
> > > > Programs in $(others-noinstall) are internal to glibc build and they
> > > > aren't installed.  They should be treated like programs in $(others),
> > > > but linked like tests so that --enable-hardcoded-path-in-tests also
> > > > applies to them.
> > >
> > > This is breaking cross builds, they are now requiring libgcc_s to link
> > > the other-install programs.
> >
> > Don't build programs in $(others-noinstall) like tests when
> > cross-compiling.  Otherwise, "build-many-glibcs.py compilers" will
> > fail to build the initial glibc with the initial limited gcc due to
> > the missing libgcc_s.
>
> It's a bad idea to build things differently based on whether cross
> compiling; cross compiling and native compiling should produce the same
> binaries, both installed and uninstalled, to the extent that the compilers
> used have the same features available (and the installed binaries should
> be identical even when built with an initial bootstrap cross compiler).
>
> We do have a configure test "whether $CC can link against -lgcc_s" which
> could be used if needed for non-installed binaries rather than a test on
> cross compiling (note the comment that this must not be used for installed
> binaries).

Build programs in $(others-noinstall) like tests only if libgcc_s is
available.  Otherwise, "build-many-glibcs.py compilers" will fail to
build the initial glibc with the initial limited gcc due to the missing
libgcc_s.

OK for master?

-- 
H.J.
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