On Thu, May 20, 2021 at 01:24:05PM +0200, Marek Behún wrote:

> When building with LTO, the system libc's `errno` variable used in
> arch/sandbox/cpu/os.c conflicts with U-Boot's `errno` (defined in
> lib/errno.c) with the following error:
>  .../ld: errno@@GLIBC_PRIVATE: TLS definition in /lib64/libc.so.6
>          section .tbss mismatches non-TLS reference in
> 	 /tmp/u-boot.EQlEXz.ltrans0.ltrans.o
> 
> To avoid this conflict use different asm label for this variable when
> CONFIG_SANDBOX is enabled.
> 
> Signed-off-by: Marek Behún <marek.behun@nic.cz>
> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
> Reviewed-by: Simon Glass <sjg@chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom