davidedmundson added a comment.
From the docs: By default, if CMAKE_MINIMUM_REQUIRED_VERSION is 3.1 or later, or if PKG_CONFIG_USE_CMAKE_PREFIX_PATH is set, the CMAKE_PREFIX_PATH, CMAKE_FRAMEWORK_PATH, and CMAKE_APPBUNDLE_PATH cache and environment variables will be added to pkg-config search path. The I'd be ok with bumping our cmake version / setting PKG_CONFIG_USE_CMAKE_PREFIX_PATH REPOSITORY R135 Integration for Qt applications in Plasma REVISION DETAIL https://phabricator.kde.org/D15310 To: sdepiets, lbeltrame, #plasma, cgiboudeaux Cc: davidedmundson, plasma-devel, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart