irony-install-server with MacPorts

Update: I was only able to get irony to work up to the 2019 version, but irony has been unmaintained since 2023 and has now since suffered significant bit-rot, and I could not get the 2023 version to work. There seems to be other alternatives (e.g. lsp-mode ). However, I'm keeping this page for the record. The irony server provides symbol completion for irony-mode on Emacs. Under the hood, it uses…