generate_packets.py: Unhardcode input (packets.def) path
alienvalkyrie alienvalkyrie alienvalkyrie I'd appreciate it if someone with more meson expertise than myself could check that the changes to meson.build look sensible. (It builds fine, but just to be sure.)
alienvalkyrie 
Part of #43927. Add the input path as an additional argument. This also means that running the script without any arguments will now be an error and print usage info.
Note that this will require dynamically constructing the disclaimer text with the actual input path.