https://github.com/gentoo/gentoo/commit/62f8b4a9746eebdf72c2614649aa8e3e33834d42 econf \ --with-init=custom \ --with-kernel-dir=/usr \ --enable-sha1 \ --enable-vrrp \ $(use_enable bfd) \ $(use_enable dbus) \ $(use_enable dbus dbus-create-instance) \ $(use_enable debug) \ $(use_enable json) \ $(use_enable regex) \ $(use_enable regex regex-timers ) \ $(use_enable snmp) \ $(use_enable snmp) \ $(use_enable snmp) \ $(use_enable snmp snmp-checker) \ $(use_enable snmp snmp-rfc) \ $(use_enable snmp snmp-rfcv2) \ $(use_enable snmp snmp-rfcv3) \ $(use_enable snmp snmp-vrrp)
https://github.com/gentoo/gentoo/commit/7e2d77f0cb6201814ad5c144055c629a14fef008