File baselibs.conf of Package weston
libweston-3-0 libweston-desktop-3-0 weston-devel requires "libweston-3-0-<targettype> = <version>" requires "libweston-desktop-3-0-<targettype> = <version>" provides "libweston-devel-<targettype> = <version>" provides "libweston-desktop-devel-<targettype> = <version>"