vars/build.vars:dbus{,_host}:${PKG_INSTALL_FILES}: install ${PREFIX}/include/dbus/ symlink.
vars/build.vars:glib_host:${PKG_CFLAGS_CONFIGURE_EXTRA}: configure w/ -I${PREFIX}/include/glib-2.0 -I${PREFIX}/lib/dbus-1.0/include -I${PREFIX}/lib/glib-2.0/include.