neo does not recognize its own name from the help menu

[saltedcoffii]

In most all GNU programs, programs will print their usage message as how they are called. For example, calling whoami --help prints the following:

Usage: whoami [OPTION]...
Print the user name associated with the current effective user ID.
Same as id -un.

      --help        display this help and exit
      --version     output version information and exit

GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>
Full documentation <https://www.gnu.org/software/coreutils/whoami>
or available locally via: info '(coreutils) whoami invocation'

If I run ln -s /usr/bin/whoami ./quiensoy and subsequently run ./quiensoy --help, I get:

Usage: ./quiensoy [OPTION]...
Print the user name associated with the current effective user ID.
...

neo, when symlinked to a different location, does not do this, and instead returns

Usage: neo [OPTIONS]

Simulate the digital rain from "The Matrix"
...

regardless of how it is called. This can be problematic because the AUR package here uses neo-matrix instead of neo as the binary name to avoid a conflict with another program called neo. Have you considered using some permutation of basename(argv[0]) or something like that? I don't know much C or C++ so my ability to help is limited (I've already been working on it for an hour and can't get anything to compile properly.)