WARNING: The variable(s) 'DATADIR', 'LIBDIR' in the input file
'subprojects/gst-devtools/validate/launcher/config.py.in' are not
present in the given configuration data
WARNING: Passed invalid keyword argument "scanobj_args". This will
become a hard error in the future.
WARNING: Keyword argument "install" defined multiple times. This
will be a an error in future Meson releases.
This reverts commit a4aa5c60bb.
Does not work outside of gst-build (i.e. validate won't work when used either
installed, in a prefix, or in gst-uninstalled).
