atril: enable gir build option if !cross.

Close #1605

srcpkgs/atril/template

@@ -7,7 +7,7 @@ build_options="gir"
 configure_args="--with-gtk=2.0 --disable-schemas-compile --enable-djvu
  --enable-dvi --enable-t1lib --enable-pixbuf --enable-comics --enable-xps
  --disable-static $(vopt_enable gir introspection)"
-hostmakedepends="pkg-config intltool itstool glib-devel "$(vopt_if gir introspection)
+hostmakedepends="pkg-config intltool itstool glib-devel $(vopt_if gir introspection)"
 makedepends="gtk+-devel dbus-glib-devel libnotify-devel libunique1-devel
  libcaja-devel djvulibre-devel libspectre-devel libSM-devel mate-desktop-devel
  poppler-glib-devel zlib-devel libxml2-devel libsecret-devel libgxps-devel
@@ -20,6 +20,10 @@ homepage="http://mate-desktop.org"
 distfiles="http://pub.mate-desktop.org/releases/${version%.*}/${pkgname}-${version}.tar.xz"
 checksum=de74bb8d20290b9aab4f5e6e6c58d4e14a979e4914409cb1803522120d814181
 
+if [ -z "$CROSS_BUILD" ]; then
+	build_options_default="gir"
+fi
+
 libatril_package() {
 	short_desc+=" - runtime library"
 	pkg_install() {