~ ➜ genlop -i busybox
 * sys-apps/busybox


   Total builds: 8
   Global build time: 7 minutes and 40 seconds.
   Average merge time: 57 seconds.

   Info about currently installed ebuild:

   * sys-apps/busybox-1.31.1
   Install date: Fri Dec 27 09:40:59 2019
   USE="ipv6 static systemd -debug -livecd -make-symlinks -math -mdev -pam -selinux -sep-usr -syslog"
   CFLAGS="-O2 -march=bdver1 -mtune=bdver1 -mprefer-avx128 -mvzeroupper -pipe -Wl,-O1 -Wl,--as-needed -fno-strict-aliasing"   CXXFLAGS="-O2 -march=bdver1 -mtune=bdver1 -mprefer-avx128 -mvzeroupper -pipe -Wl,-O1 -Wl,--as-needed -fno-strict-aliasing"   LDFLAGS="-Wl,-O1 -Wl,--as-needed"
~ ➜