[MacPorts] #31604: gcc44, gcc45, gcc46: build hangs on lion, due to mpfr built with clang

[MacPorts]

#31604: gcc44, gcc45, gcc46: build hangs on lion, due to mpfr built with clang
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  Reporter:  guygurari@…                |       Owner:  mww@…           
      Type:  defect                     |      Status:  reopened        
  Priority:  Normal                     |   Milestone:                  
 Component:  ports                      |     Version:  2.0.3           
Resolution:                             |    Keywords:  lion            
      Port:  gcc44, gcc45, gcc46, mpfr  |  
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Comment(by howarth@…):

 Attached Portfile diff which implements the use of --disable-thread-safe
 that allows clang to be used again.

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Ticket URL: <https://trac.macports.org/ticket/31604#comment:95>
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