Merge tag 'nolibc-20251130-for-6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc

Pull nolibc updates from Thomas Weißschuh:

- Preparations to the use of nolibc in UML:

Merge tag 'nolibc-20251130-for-6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc

Pull nolibc updates from Thomas Weißschuh:

- Preparations to the use of nolibc in UML:
- Cleanup of sparse warnings
- Library mode without _start()
- More consistency when disabling errno

- Unconditional installation of all architecture support files

- Always 64-bit wide ino_t and off_t

- Various cleanups and bug fixes

* tag 'nolibc-20251130-for-6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc: (25 commits)
selftests/nolibc: error out on linker warnings
selftests/nolibc: use lld to link loongarch binaries
tools/nolibc: remove more __nolibc_enosys() fallbacks
tools/nolibc: remove now superfluous overflow check in llseek
tools/nolibc: use 64-bit off_t
tools/nolibc: prefer the llseek syscall
tools/nolibc: handle 64-bit off_t for llseek
tools/nolibc: use 64-bit ino_t
tools/nolibc: avoid using plain integer as NULL pointer
tools/nolibc: add support for fchdir()
tools/nolibc: clean up outdated comments in generic arch.h
tools/nolibc: make the "headers" target install all supported archs
tools/nolibc: add the more portable inttypes.h
tools/nolibc: provide the portable sys/select.h
tools/nolibc: add missing memchr() to string.h
tools/nolibc: fix misleading help message regarding installation path
tools/nolibc: add uio.h with readv and writev
tools/nolibc: add option to disable runtime
tools/nolibc: use __fallthrough__ rather than fallthrough
tools/nolibc: implement %m if errno is not defined
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tools/nolibc: provide the portable sys/select.h

Modern programs tend to include sys/select.h to get FD_SET() and
FD_CLR() definitions as well as struct fd_set, but in our case it
didn't exist.

The

tools/nolibc: provide the portable sys/select.h

Modern programs tend to include sys/select.h to get FD_SET() and
FD_CLR() definitions as well as struct fd_set, but in our case it
didn't exist.

The definitions were moved from types.h to sys/select.h, which is
now included from nolibc.h, and the sys_select() definition moved
there as well from sys.h.

Signed-off-by: Willy Tarreau <w@1wt.eu>
[Thomas: adapt to current -next branch]
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>

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