[Bug target/106271] Bootstrap on RISC-V on Ubuntu 22.04 LTS: bits/libc-header-start.h: No such file or directory

[ro at CeBiTec dot Uni-Bielefeld.DE via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106271

--- Comment #14 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot 
Uni-Bielefeld.DE> ---
> --- Comment #12 from Matthias Klose <doko at gcc dot gnu.org> ---
> also note that the Debian and Ubuntu builds are configured with
> --disable-multilib

While I hadn't passed that, the error occured when building the default
(64-bit) multilib.