On Fri, 5 Mar 2021 11:00:45 +0800 Bin Meng <bmeng...@gmail.com> wrote:
> On Wed, Mar 3, 2021 at 12:13 PM Marek Behún <marek.be...@nic.cz> 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 > > Do you know if this is the expected behavior when enabling LTO on the > compiler? I don't, but this is a bug anyway. The symbol clashes with the symbol from glibc. Does somebody know whether the usage of this symbol in os.c does really use glibc's version or U-Boot's one?
