On Fri, 02 Feb 2018 18:34:23 +0100
Helmut Jarausch <jarau...@skynet.be> wrote:
With glibc-2.27 installed I cannot compile anything, since most
packages try to include <gnu/stubs-32.h>
which doesn't exit any more.
And downgrading glibc using a binary package doesn't work.
It looks like I have to restore my system from a recent backup,
Restoring your backup is probably faster but I want to point out the
possibility of an intermediate build chroot  to get back a working
toolchain. This helped me in the past to solve troubles with glibc and
when I didn’t knew about buildpkg/buildsyspkg for FEATURES variable.
-  <https://wiki.gentoo.org/wiki/Upgrading_Gentoo#Updating_old_systems>
Good luck, bleeding edge(r) and thank you for the warning.