project('valatest', 'c', 'vala') glib = dependency('glib-2.0') gobject = dependency('gobject-2.0') foo_lib = library('foo-1.0', 'foo.vala', vala_header: 'foo.h', vala_vapi: 'foo.vapi', dependencies: [glib, gobject]) library('bar', 'bar.vala', link_with: [foo_lib], dependencies: [glib, gobject])