libxfce4ui: generate vala bindings

srcpkgs/libxfce4ui/patches/vapi-deps.patch

@@ -0,0 +1,8 @@
+--- a/libxfce4ui/libxfce4ui-2.deps
++++ b/libxfce4ui/libxfce4ui-2.deps
+@@ -1,4 +1,4 @@
+-libxfce4util-1.0
++Libxfce4util-1.0
+ atk
+ gio-2.0
+ cairo

srcpkgs/libxfce4ui/template

@@ -1,13 +1,15 @@
 # Template file for 'libxfce4ui'
 pkgname=libxfce4ui
 version=4.16.1
-revision=1
+revision=2
 build_style=gnu-configure
 build_helper="gir"
-configure_args="--with-locales-dir=/usr/share/locale --disable-static"
+configure_args="--with-locales-dir=/usr/share/locale --disable-static
+ $(vopt_enable gir introspection) $(vopt_enable vala vala)"
 conf_files="/etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-keyboard-shortcuts.xml"
-hostmakedepends="xfce4-dev-tools pkg-config intltool glib-devel gettext-devel"
-makedepends="gtk+-devel gtk+3-devel glade3-devel libxfce4util-devel xfconf-devel
+hostmakedepends="xfce4-dev-tools pkg-config intltool glib-devel gettext-devel
+ $(vopt_if vala vala)"
+makedepends="gtk+3-devel glade3-devel libxfce4util-devel xfconf-devel
  libxml2-devel startup-notification-devel libSM-devel libgtop-devel"
 short_desc="Replacement of the old libxfcegui4 library"
 maintainer="Orphaned <orphan@voidlinux.org>"
@@ -17,8 +19,8 @@ distfiles="https://archive.xfce.org/src/xfce/${pkgname}/${version%.*}/${pkgname}
 checksum=d96946ae5af6bf078dda415419e0021909f763ee0020b42f3e26f603e51585f6
 
 # Package build options
-build_options="gir"
-build_options_default="gir"
+build_options="gir vala"
+build_options_default="gir vala"
 
 libxfce4ui-devel_package() {
 	depends="${makedepends} ${sourcepkg}>=${version}_${revision}"
@@ -31,6 +33,9 @@ libxfce4ui-devel_package() {
 		if [ "$build_option_gir" ]; then
 			vmove usr/share/gir-1.0
 		fi
+		if [ "$build_option_vala" ]; then
+			vmove usr/share/vala
+		fi
 	}
 }