If gobject-introspection is selected, explicitly set -Dintrospection=enabled in
the configure options and add a dependency for gobject-introspection.
This feature requires an upstream patch that allows introspection support even
when cross-compiling.
Signed-off-by: Adam Duskett <Aduskett@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>