[MacPorts] #50904: gcc: change dist_subdir

[MacPorts]

#50904: gcc: change dist_subdir
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  Reporter:  mojca                               |      Owner:  macports-
                                                 |  tickets@…
      Type:  defect                              |     Status:  assigned
  Priority:  Normal                              |  Milestone:
 Component:  ports                               |    Version:
Resolution:                                      |   Keywords:
      Port:  gcc43 gcc44 gcc45 gcc46 gcc47       |
  gcc48 gcc49 gcc5 gcc6 gcc7                     |
-------------------------------------------------+-------------------------
Changes (by raimue):

 * port:  gcc43 gcc44 gcc45 gcc46 gcc47 gcc48 gcc49 gcc5 gcc6 => gcc43 gcc44
     gcc45 gcc46 gcc47 gcc48 gcc49 gcc5 gcc6 gcc7


Comment:

 You are right, it would use `gcc4` instead of the correct `gcc47`. I guess
 I went with `gcc[lindex [split ${version} .] 0]` because that matches the
 `dist_subdir` of gcc >= 5. If we would want to switch to a plain `gcc`, we
 need the change in the gcc ports first.

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Ticket URL: <https://trac.macports.org/ticket/50904#comment:4>
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