This adds the hardening options also to the toolchain build.
With this change the /usr/lib/libstdc++.so.6.0.24 library will have
stack canaries and the /lib/libgcc_s.so.1 library will have Full RELRO.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This causes various issues in other places that assume that host
binaries are staged in STAGING_DIR_HOST.
Since all the right places use HOST_BUILD_PREFIX, override that instead.
This fixes some issues with quilt on toolchain dirs
Signed-off-by: Felix Fietkau <nbd@nbd.name>