[MacPorts] #29356: atlas @3.9.37 build failure - hangs with xztfc using 100% CPU

[MacPorts]

#29356: atlas @3.9.37 build failure - hangs with xztfc using 100% CPU
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 Reporter:  alan@…              |       Owner:  jameskyle@…           
     Type:  defect              |      Status:  new                   
 Priority:  Normal              |   Milestone:                        
Component:  ports               |     Version:  1.9.2                 
 Keywords:                      |        Port:  atlas                 
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Comment(by compconsultant@…):

 I should add this.... Not sure what atlas even is, but, it was required
 for py27-game I believe. Anyway, I let it go this time, for a few HOURS,
 and, it DID eventually install. The, the python application that used the
 py27-game port worked fine.

 So, Atlas DOES install, it just takes FOREVER. So, the OP should retry and
 just let it sit. Mine did the same thing, showed 100% cpu, fan reved up,
 etc. HOWEVR, I started to notice the program using 100% would change every
 5-20 minutes, so, just let it go over night.

 There are a few other apps out there with the same symptoms, that run
 super slow on the new I7. Another example is VirtualBox, similar behavior.
 In their case, rebooting into 32 bit mode solves the issue. Not sure if
 the install would be any faster here.

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Ticket URL: <https://trac.macports.org/ticket/29356#comment:5>
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