[MacPorts] #51724: compilers-1.0: default to gcc6

[MacPorts]

#51724: compilers-1.0: default to gcc6
---------------------------+--------------------------------
  Reporter:  ryandesign@…  |      Owner:  macports-tickets@…
      Type:  enhancement   |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:                |
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Comment (by mf2k@…):

 I switched to gcc6 for my ports and everything appears to work. However, I
 believe such a change should be brought up on the dev list to make sure
 that no one sees a problem with this.

 {{{
 $ port installed | grep gcc
   eigen3 @3.2.8_0+gcc6 (active)
   fftw-3 @3.3.4_1+gcc6 (active)
   gcc6 @6.1.0_0 (active)
   gcc_select @0.1_8 (active)
   gsl @2.1_0+gcc6 (active)
   hdf5 @1.10.0_1+cxx+gcc6+hl (active)
   libgcc @6.1.0_0 (active)
   py27-numpy @1.11.1_0+gcc6 (active)
   py35-h5py @2.6.0_0+gcc6 (active)
   py35-numpy @1.11.1_0+gcc6 (active)
   py35-scipy @0.17.1_0+gcc6 (active)
 }}}

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Ticket URL: <https://trac.macports.org/ticket/51724#comment:1>
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