and aforementioned command gives:
emerge: there are no ebuilds to satisfy "sys-libs/libbacktrace".
emerge: searching for similar names...
emerge: Maybe you meant any of these: sys-libs/libblockdev, sys-libs/libcap, sys-libs/libaal?
P.S.: using the Release 1.0.0 commit version of Userver*
P.S.: using the Release 1.0.0 commit version of Userver*