libweston-4-dev 4.0.0-1 (i386 binary) in ubuntu cosmic

 Part of the Wayland project is also the Weston reference implementation
 of a Wayland compositor. Weston can run as an X client or under Linux
 KMS and ships with a few demo clients. The Weston compositor is a minimal
 and fast compositor and is suitable for many embedded and mobile use
 cases.
 .
 This package includes the libweston headers.