Merge topic 'build-interface-targets'

bafa9fe887 fileapi: Add INTERFACE libraries with SOURCES to codemodel-v2
4391913133 Add INTERFACE libraries to generated buildsystem if they have SOURCES
afb998704e Remove filtering of allowed INTERFACE library properties
e7edba2baf Makefiles: Use IsInBuildSystem in global generator target type checks

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !5078