'arb_ntree' has terminated with error

[guest]

Hi, I'm attempting to download the latest version of ARB onto my Mac computer, but am running into issues when starting the program. This is my output when starting arb:

Using properties from /Users/Nyholm_Lab/.arb_prop
Please wait while the program ARB is starting .....
Waiting for '/Users/Nyholm_Lab/.arb_tmp/sockets/arb_launcher.22705'..
[arb_launcher[0]: Starting 'arb_ntree'..]
dyld: Library not loaded: /opt/local/lib/libXm.4.dylib
  Referenced from: /Users/Nyholm_Lab/Documents/ARB_stuff/arb/bin/arb_ntree
  Reason: image not found
/Users/Nyholm_Lab/Documents/ARB_stuff/arb/bin/arb_launcher: line 25: 22754 Trace/BPT trap: 5       $CMD
[arb_launcher[0]: 'arb_ntree' has terminated with error 133]
[arb_launcher[0]: Still have 1 arb processes..]
[arb_launcher[0]: All launched processes terminated]

I've found a ticket with a similar issue (​http://bugs.arb-home.de/ticket/579), but the provided solution of reinstalling openmotif didn't work for me. This is my input and output:

bash-3.2$ sudo port install openmotif
Password:
sudo: port: command not found
bash-3.2$ 

Thanks for any help!

[guest]

log

[westram]

I can't really help with OSX installations (no experience @ all).

AFAIK 'port' is part of ​MacPorts.
In the past, several releases were available for installation via MacPorts (provided by the community), but currently nobody maintains that.

For the ​production version of arb, a homebrew recipe has been created by Jan last year.