[MacPorts] #20106: math/atlas - add gcc variants

[MacPorts]

#20106: math/atlas - add gcc variants
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 Reporter:  max@…              |       Owner:  macports-tickets@…                   
     Type:  enhancement        |      Status:  new                                  
 Priority:  Normal             |   Milestone:                                       
Component:  ports              |     Version:  1.7.1                                
 Keywords:  ATLAS gcc          |        Port:  atlas                                
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 ATLAS currently depends on gcc-4.3, although it works perfectly with
 gcc-4.2 or gcc-4.4.
 The attached patch adds variants for gcc versions similar to py25-scipy.

 Correct functionality has been tested with numpy linked against ATLAS (see
 ticket  [http://trac.macports.org/ticket/19966 #19966]) and running
 numpy's testcases with
 {{{
 python -c "import numpy; numpy.test()"
 }}}

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Ticket URL: <http://trac.macports.org/ticket/20106>
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