libgexiv2: enable introspection (native builds)

Required by variety.

srcpkgs/libgexiv2/template

@@ -1,10 +1,10 @@
 # Template file for 'libgexiv2'
 pkgname=libgexiv2
 version=0.10.6
-revision=1
+revision=2
 wrksrc="${pkgname/lib/}-${version}"
 build_style=gnu-configure
-hostmakedepends="libtool pkg-config"
+hostmakedepends="pkg-config $(vopt_if gir gobject-introspection)"
 makedepends="libglib-devel exiv2-devel"
 short_desc="GObject-based wrapper around the Exiv2 library"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"
@@ -13,6 +13,11 @@ homepage="https://wiki.gnome.org/Projects/gexiv2"
 distfiles="${GNOME_SITE}/gexiv2/${version%.*}/${pkgname/lib/}-${version}.tar.xz"
 checksum=132788919667254b42c026ab39ab3c3a5be59be8575c05fa4b371ca8aed55825
 
+build_options="gir"
+if [ -z "$CROSS_BUILD" ]; then
+	build_options_default="gir"
+fi
+
 libgexiv2-devel_package() {
 	depends="${makedepends} ${sourcepkg}-${version}_${revision}"
 	short_desc+=" - development files"
@@ -20,5 +25,10 @@ libgexiv2-devel_package() {
 		vmove usr/include
 		vmove usr/lib/*.so
 		vmove usr/lib/pkgconfig
+		vmove usr/share/gtk-doc
+		vmove usr/share/vala
+		if [ "$build_option_gir" ]; then
+			vmove "usr/share/gir-*"
+		fi
 	}
 }