The size mismatch worning was found by gcc gcc version 8.2.1.

To use the same command notation as cta-admin commands cta-smc
recognize long notations.

Modify cta-smc -q  commands outputs.
By default query commands provide output with headers in human
readable form. To use commands in scripts -j option added
which provides output in JSON format.

Usage:
  cta-smc -q D [-D drive_ordinal] [-j]
  cta-smc -q L [-j]
  cta-smc -q P [-j]
  cta-smc -q S [-N nbelem] [-S starting_slot] [-j]
  cta-smc -q V [-N nbelem] [-V vid] [-j]

mediachanger/castorrmc/CMakeLists.txt
mediachanger/castorrmc/common/CMakeLists.txt
mediachanger/castorrmc/rmc/CMakeLists.txt

Note that this change is a noop, as the code after compiler preprocessing does not change. This was actually double checked manually.

Note that this change is a noop, as the code after compiler preprocessing does not change. This was actually double checked manually.

In particular, dropped all code related to unsupported platforms.
Note that it has been verified that this commit is a noop for the compiled code as the preprocessed code is unchanged (modulo some line numbers).