preserve-libs qa-unresolved-soname-deps protect-owned sfperms strict ipc-sandbox pid-sandbox unmerge-orphans clean-logs unmerge-logs userpriv fixlafiles ebuild-locks assume-digests distlocks binpkg-dostrip buildpkg ccache binpkg-logs binpkg-docompress buildpkg-live network-sandbox sandbox multilib-strict parallel-install config-protect-if-modified parallel-fetch userfetch binpkg-multi-instance usersandbox unknown-features-warn merge-sync usersync
