[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 vince@…):

 That's no wonder. The 3.9.37 has no support for the newest Sandy bridge
 processors. That support comes in 3.9.38, which is buggy.

 I'm working on the 3.9.40 and should have something usable tonight or
 tomorrow morning. If you are in a hurry, and don't need to build a
 universal x86-64/i386 build, but only a 64-bit Intel version, I can give
 you the temporary Portfile and the patches that you can use in a private
 repository.

 3.9.40 is also buggy, but can more or less be fixed. The problem is that
 the maintainer/developer of Atlas does not seem to have access to a Mac,
 so new versions are never tested on OS X.

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Ticket URL: <https://trac.macports.org/ticket/29356#comment:4>
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