Can't use Expect in a portfile

[Rainer Müller]

On 2018-04-19 13:58, Ryan Schmidt wrote:
> 
> On Apr 19, 2018, at 06:49, Rainer Müller wrote:
> 
>> On 2018-04-19 13:31, Ryan Schmidt wrote:
>>> I can't seem to use Expect in a portfile. [...]
>>>
>>> The system has no more ptys.  Ask your system administrator to create more.
>>
>> This is probably due to sandboxing. I guess Expect wants to open some
>> device such as /dev/ptmx read/write, but is not allowed to do so.
> 
> Maybe. The error message is printed when exp_getptymaster() (in pty_unicos.c) returns -1. It's hard to follow exactly what that function does. It has a log of diagnostic log lines (expDiagLog(...)) but I can't figure out how to get Expect to print those diagnostics.
> 
> I could try adding some paths to the sandbox whitelist.

You can check in Console.app for sandbox violations.

Or run this command in another terminal window parallel to the port process:

$ log stream --predicate '(process == "sandboxd")' --level error

Rainer