Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:StefanBruens:branches:electronics:GIT/openSUSE_Tumbleweed/home:StefanBruens:branches:electronics:GIT.repo
zypper refresh
zypper install libserialport
Para openSUSE Factory ARM execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:StefanBruens:branches:electronics:GIT/openSUSE_Factory_ARM/home:StefanBruens:branches:electronics:GIT.repo
zypper refresh
zypper install libserialport