Para openSUSE Slowroll execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:svalx/openSUSE_Slowroll/home:svalx.repo
zypper refresh
zypper install cpp-httplib
Para openSUSE Factory execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:svalx/openSUSE_Factory/home:svalx.repo
zypper refresh
zypper install cpp-httplib
Para 16.0 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:svalx/16.0/home:svalx.repo
zypper refresh
zypper install cpp-httplib
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:svalx/15.6/home:svalx.repo
zypper refresh
zypper install cpp-httplib