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