diff --git a/meson.build b/meson.build
index 0cd898cb..78113d6d 100644
--- a/meson.build
+++ b/meson.build
@@ -188,4 +188,9 @@ if get_option('documentation')
 endif
 subdir('po')
 
+vapigen = find_program('vapigen', required: false)
+if vapigen.found()
+	subdir('vapi')
+endif
+
 meson.add_install_script('build-aux/meson/post_install.py')
diff --git a/vapi/meson.build b/vapi/meson.build
new file mode 100644
index 00000000..219444aa
--- /dev/null
+++ b/vapi/meson.build
@@ -0,0 +1,329 @@
+vapigen_args = [
+	'--directory=@0@'.format(meson.current_build_dir()),
+	'--metadatadir=@0@'.format(meson.current_source_dir()),
+	'--girdir=@0@'.format(mutter_typelib_dir),
+	'--vapidir=@0@'.format(meson.current_build_dir()),
+]
+
+if mutter328_dep.found()
+	cogl_target = custom_target('mutter-cogl-2',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Cogl-2.gir',
+			'--library=mutter-cogl-2',
+			'--pkg=gobject-2.0',
+			vapigen_args,
+			files('Cogl-2-custom.vala')
+		],
+		output: 'mutter-cogl-2.vapi'
+	)
+
+	cogl_pango_target = custom_target('mutter-cogl-pango-2',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'CoglPango-2.gir',
+			'--library=mutter-cogl-pango-2',
+			'--pkg=mutter-cogl-2',
+			'--pkg=pangocairo',
+			vapigen_args
+		],
+		depends: cogl_target,
+		output: 'mutter-cogl-pango-2.vapi'
+	)
+
+	clutter_target = custom_target('mutter-clutter-2',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Clutter-2.gir',
+			'--library=mutter-clutter-2',
+			'--pkg=mutter-cogl-2',
+			'--pkg=mutter-cogl-pango-2',
+			'--pkg=atk',
+			'--pkg=gio-2.0',
+			'--pkg=json-glib-1.0',
+			'--pkg=pangocairo',
+			vapigen_args,
+			files('Clutter-2-custom.vala')
+		],
+		depends: [ cogl_target, cogl_pango_target ],
+		output: 'mutter-clutter-2.vapi'
+	)
+
+	libmutter_target = custom_target('libmutter-2',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Meta-2.gir',
+			'--library=libmutter-2',
+			'--pkg=mutter-cogl-2',
+			'--pkg=mutter-cogl-pango-2',
+			'--pkg=mutter-clutter-2',
+			'--pkg=atk',
+			'--pkg=gio-2.0',
+			'--pkg=json-glib-1.0',
+			'--pkg=pangocairo',
+			'--pkg=gtk+-3.0',
+			'--pkg=x11',
+			vapigen_args
+		],
+		depends: [ cogl_target, cogl_pango_target, clutter_target ],
+		output: 'libmutter-2.vapi'
+	)
+endif
+if mutter330_dep.found()
+	cogl_target = custom_target('mutter-cogl-3',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Cogl-3.gir',
+			'--library=mutter-cogl-3',
+			'--pkg=gobject-2.0',
+			vapigen_args,
+			files('Cogl-3-custom.vala')
+		],
+		output: 'mutter-cogl-3.vapi'
+	)
+
+	cogl_pango_target = custom_target('mutter-cogl-pango-3',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'CoglPango-3.gir',
+			'--library=mutter-cogl-pango-3',
+			'--pkg=mutter-cogl-3',
+			'--pkg=pangocairo',
+			vapigen_args
+		],
+		depends: cogl_target,
+		output: 'mutter-cogl-pango-3.vapi'
+	)
+
+	clutter_target = custom_target('mutter-clutter-3',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Clutter-3.gir',
+			'--library=mutter-clutter-3',
+			'--pkg=mutter-cogl-3',
+			'--pkg=mutter-cogl-pango-3',
+			'--pkg=atk',
+			'--pkg=gio-2.0',
+			'--pkg=json-glib-1.0',
+			'--pkg=pangocairo',
+			vapigen_args,
+			files('Clutter-3-custom.vala')
+		],
+		depends: [ cogl_target, cogl_pango_target ],
+		output: 'mutter-clutter-3.vapi'
+	)
+
+	libmutter_target = custom_target('libmutter-3',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Meta-3.gir',
+			'--library=libmutter-3',
+			'--pkg=mutter-cogl-3',
+			'--pkg=mutter-cogl-pango-3',
+			'--pkg=mutter-clutter-3',
+			'--pkg=atk',
+			'--pkg=gio-2.0',
+			'--pkg=json-glib-1.0',
+			'--pkg=pangocairo',
+			'--pkg=gtk+-3.0',
+			'--pkg=x11',
+			vapigen_args
+		],
+		depends: [ cogl_target, cogl_pango_target, clutter_target ],
+		output: 'libmutter-3.vapi'
+	)
+endif
+if mutter332_dep.found()
+	cogl_target = custom_target('mutter-cogl-4',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Cogl-4.gir',
+			'--library=mutter-cogl-4',
+			'--pkg=gobject-2.0',
+			vapigen_args,
+			files('Cogl-4-custom.vala')
+		],
+		output: 'mutter-cogl-4.vapi'
+	)
+
+	cogl_pango_target = custom_target('mutter-cogl-pango-4',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'CoglPango-4.gir',
+			'--library=mutter-cogl-pango-4',
+			'--pkg=mutter-cogl-4',
+			'--pkg=pangocairo',
+			vapigen_args
+		],
+		depends: cogl_target,
+		output: 'mutter-cogl-pango-4.vapi'
+	)
+
+	clutter_target = custom_target('mutter-clutter-4',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Clutter-4.gir',
+			'--library=mutter-clutter-4',
+			'--pkg=mutter-cogl-4',
+			'--pkg=mutter-cogl-pango-4',
+			'--pkg=atk',
+			'--pkg=gio-2.0',
+			'--pkg=json-glib-1.0',
+			'--pkg=pangocairo',
+			vapigen_args,
+			files('Clutter-4-custom.vala')
+		],
+		depends: [ cogl_target, cogl_pango_target ],
+		output: 'mutter-clutter-4.vapi'
+	)
+
+	libmutter_target = custom_target('libmutter-4',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Meta-4.gir',
+			'--library=libmutter-4',
+			'--pkg=mutter-cogl-4',
+			'--pkg=mutter-cogl-pango-4',
+			'--pkg=mutter-clutter-4',
+			'--pkg=atk',
+			'--pkg=gio-2.0',
+			'--pkg=json-glib-1.0',
+			'--pkg=pangocairo',
+			'--pkg=gtk+-3.0',
+			'--pkg=x11',
+			vapigen_args
+		],
+		depends: [ cogl_target, cogl_pango_target, clutter_target ],
+		output: 'libmutter-4.vapi'
+	)
+endif
+if mutter334_dep.found()
+	cogl_target = custom_target('mutter-cogl-5',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Cogl-5.gir',
+			'--library=mutter-cogl-5',
+			'--pkg=gobject-2.0',
+			vapigen_args,
+			files('Cogl-5-custom.vala')
+		],
+		output: 'mutter-cogl-5.vapi'
+	)
+
+	cogl_pango_target = custom_target('mutter-cogl-pango-5',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'CoglPango-5.gir',
+			'--library=mutter-cogl-pango-5',
+			'--pkg=mutter-cogl-5',
+			'--pkg=pangocairo',
+			vapigen_args
+		],
+		depends: cogl_target,
+		output: 'mutter-cogl-pango-5.vapi'
+	)
+
+	clutter_target = custom_target('mutter-clutter-5',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Clutter-5.gir',
+			'--library=mutter-clutter-5',
+			'--pkg=mutter-cogl-5',
+			'--pkg=mutter-cogl-pango-5',
+			'--pkg=atk',
+			'--pkg=gio-2.0',
+			'--pkg=json-glib-1.0',
+			'--pkg=pangocairo',
+			vapigen_args,
+			files('Clutter-5-custom.vala')
+		],
+		depends: [ cogl_target, cogl_pango_target ],
+		output: 'mutter-clutter-5.vapi'
+	)
+
+	libmutter_target = custom_target('libmutter-5',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Meta-5.gir',
+			'--library=libmutter-5',
+			'--pkg=mutter-cogl-5',
+			'--pkg=mutter-cogl-pango-5',
+			'--pkg=mutter-clutter-5',
+			'--pkg=atk',
+			'--pkg=gio-2.0',
+			'--pkg=json-glib-1.0',
+			'--pkg=pangocairo',
+			'--pkg=gtk+-3.0',
+			'--pkg=x11',
+			vapigen_args
+		],
+		depends: [ cogl_target, cogl_pango_target, clutter_target ],
+		output: 'libmutter-5.vapi'
+	)
+endif
+if mutter336_dep.found()
+	cogl_target = custom_target('mutter-cogl-6',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Cogl-6.gir',
+			'--library=mutter-cogl-6',
+			'--pkg=gobject-2.0',
+			'--pkg=cairo',
+			'--pkg=graphene-gobject-1.0',
+			vapigen_args,
+			files('Cogl-6-custom.vala')
+		],
+		output: 'mutter-cogl-6.vapi'
+	)
+
+	cogl_pango_target = custom_target('mutter-cogl-pango-6',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'CoglPango-6.gir',
+			'--library=mutter-cogl-pango-6',
+			'--pkg=mutter-cogl-6',
+			'--pkg=pangocairo',
+			vapigen_args
+		],
+		depends: cogl_target,
+		output: 'mutter-cogl-pango-6.vapi'
+	)
+
+	clutter_target = custom_target('mutter-clutter-6',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Clutter-6.gir',
+			'--library=mutter-clutter-6',
+			'--pkg=mutter-cogl-6',
+			'--pkg=mutter-cogl-pango-6',
+			'--pkg=atk',
+			'--pkg=gio-2.0',
+			'--pkg=json-glib-1.0',
+			'--pkg=pangocairo',
+			vapigen_args,
+			files('Clutter-6-custom.vala')
+		],
+		depends: [ cogl_target, cogl_pango_target ],
+		output: 'mutter-clutter-6.vapi'
+	)
+
+	libmutter_target = custom_target('libmutter-6',
+		command: [
+			vapigen,
+			mutter_typelib_dir / 'Meta-6.gir',
+			'--library=libmutter-6',
+			'--pkg=mutter-cogl-6',
+			'--pkg=mutter-cogl-pango-6',
+			'--pkg=mutter-clutter-6',
+			'--pkg=atk',
+			'--pkg=gio-2.0',
+			'--pkg=json-glib-1.0',
+			'--pkg=pangocairo',
+			'--pkg=gtk+-3.0',
+			'--pkg=x11',
+			vapigen_args
+		],
+		depends: [ cogl_target, cogl_pango_target, clutter_target ],
+		output: 'libmutter-6.vapi'
+	)
+endif