Start using ECMSetupQtPluginMacroNames
Code in CMakeLists.txt says
# Replace with ECMSetupQtPluginMacroNames once depending on ECM >= 5.45
# incl. passing same code generated by var into Okular5Config.cmake.in
Code in CMakeLists.txt says
# Replace with ECMSetupQtPluginMacroNames once depending on ECM >= 5.45
# incl. passing same code generated by var into Okular5Config.cmake.in