gexiv2 Vala Support
A Vala VAPI file for gexiv2 is maintained in the source tree. Vala developers who make changes to the library and wish to check it out in their own project should (a) make any necessary changes to vapi/gexiv2.metadata and (b) run make vapi and make install-vapi before building their application.
Note that make vapi only works after gexiv2 has been installed; the VAPI it generates does not reflect the state of the local source tree.
When #712454 is completed, gexiv2 will distribute a GObject Introspection file rather than a VAPI, which is more convenient and allows other languages to easily bind to gexiv2.