Para openSUSE Factory ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:bmwiedemann:branches:devel:tools:building/openSUSE_Factory/home:bmwiedemann:branches:devel:tools:building.repo
zypper refresh
zypper install ccache
Para 16.0 ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:bmwiedemann:branches:devel:tools:building/16.0/home:bmwiedemann:branches:devel:tools:building.repo
zypper refresh
zypper install ccache
Para 15.6 ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:bmwiedemann:branches:devel:tools:building/15.6/home:bmwiedemann:branches:devel:tools:building.repo
zypper refresh
zypper install ccache