zxing-cpp from KDE:Frameworks project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/KDE:Frameworks/openSUSE_Tumbleweed/KDE:Frameworks.repo zypper refresh zypper install zxing-cpp
Grab binary packages directly
Add repository and install manually
For openSUSE Leap 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/KDE:Frameworks/openSUSE_Leap_15.6/KDE:Frameworks.repo zypper refresh zypper install zxing-cpp