[MacPorts] #19128: mpab timeout on port builds

[MacPorts]

#19128: mpab timeout on port builds
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 Reporter:  dweber@…                    |       Owner:  macports-tickets@…                   
     Type:  defect                      |      Status:  new                                  
 Priority:  Normal                      |   Milestone:  Port Bugs                            
Component:  ports                       |     Version:  1.7.0                                
 Keywords:  mpab timeout infinite loop  |        Port:  mpab                                 
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Old description:

> I was running mpab until it hit a snag on a port that was failing in an
> infinite loop (guile or something).  It looks like mpab needs a process
> to monitor the time of each port build with a timeout limit to kill a
> build and move on to the next build.

New description:

 I was running mpab until it hit a snag on a port that was failing in an
 infinite loop (guile or something).  It looks like mpab needs a process to
 monitor the time of each port build with a timeout limit to kill a build
 and move on to the next build.

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Comment(by blb@…):

 Having some sort of watchdog would be nice, but difficult to do properly.
 Since it just kicks off a port process for each build, it isn't watching
 processes come and go directly, so it can only watch that one port
 process.  A simple timeout would be bad for ports that are known to take
 time (eg, ghc, the gcc* ports, etc) as we may otherwise be stopping a
 build that was going just fine.

 Perhaps some sort of monitoring of the log file being created, as output
 should be going there on a regular basis, and if not then it may very well
 be stalled.  Are there ports which, even in debug mode, output very little
 during a successful build?

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Ticket URL: <http://trac.macports.org/ticket/19128#comment:1>
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