Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).

GCC parts:

A GCC bug caused the loss of the search path: /usr/lib64/sf, and this
bug has now been fixed in GCC.

See:
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=9467435253948b83fcb5f7430f6cd571236960d8

Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).

Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).

Reviewed-by: Florian Weimer <fweimer@redhat.com>

This works around incompatibility of GMP 6.3.0 with GCC 15 (defaulting
to C23) following an approach suggested by Florian.

Tested with build-many-glibcs.py (host-libraries build only).

Reviewed-by: Florian Weimer <fweimer@redhat.com>

Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).

Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).

Tested with build-many-glibcs.py with

--exclude m68k-linux-gnu-coldfire-soft

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sam James <sam@gentoo.org>

m68k-linux-gnu-coldfire-soft GCC and glibc often won't build due to

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103370

which results in build-many-glibcs.py failure.  Add an option, --exclude,
to exclude some targets.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sam James <sam@gentoo.org>