gst-plugins-good 1.17.90 fails with -Dorc=enabled but no plugins using orc enabled
Since commit 31ff3287, meson configure fails with
meson.build:460:4: ERROR: alias_target takes at least 2 arguments. if
orcis enabled, but neither
orc_targets array stays empty in this case, and so does the
orc_update_targets array, which is the second argument to the failing
The problem can be worked around by either disabling
orc, or enabling any of the plugins that use it.