For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cabelo/openSUSE_Tumbleweed/home:cabelo.repo
zypper refresh
zypper install dlib
For openSUSE Leap 15.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cabelo/openSUSE_Leap_15.0/home:cabelo.repo
zypper refresh
zypper install dlib
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cabelo/15.6/home:cabelo.repo
zypper refresh
zypper install dlib
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cabelo/15.5/home:cabelo.repo
zypper refresh
zypper install dlib
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cabelo/15.4/home:cabelo.repo
zypper refresh
zypper install dlib
For 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cabelo/15.3/home:cabelo.repo
zypper refresh
zypper install dlib