[Differential] [Accepted] D2930: purpose is a runtime dependency, do not conditional on it at build time

[apol (Aleix Pol Gonzalez)]

apol accepted this revision.
apol added a reviewer: apol.
This revision is now accepted and ready to land.

REPOSITORY
  rKDEPLASMAADDONS Plasma Addons

BRANCH
  Plasma/5.8

REVISION DETAIL
  https://phabricator.kde.org/D2930

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: sitter, apol
Cc: plasma-devel, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas