In python, if the tcl package is not compiled with the threads option, if it runs a tcl/tk application, it will crash with the following error at the end:
TclError: out of stack space (infinite loop?)
To reproduce this, just run the
This problem will affect pyraf and prevent it from loading. To fix this, compile the tcl package with
--enable-threads or in macports, install the
port install tcl +threads.