Upstream has support: https://github.com/KDE/ki18n/blame/8f84d19aad04b2a925f2373ad26323bb8324b982/cmake/KF5I18nMacros.cmake.in#L34
Upstream has support: https://github.com/KDE/ki18n/blame/8f84d19aad04b2a925f2373ad26323bb8324b982/cmake/KF5I18nMacros.cmake.in#L34