[MacPorts] #68683: gcc8+: doesn't work on macOS 10.6

[MacPorts]

#68683: gcc8+: doesn't work on macOS 10.6
-----------------------------------------------------+--------------------
  Reporter:  catap                                   |      Owner:  (none)
      Type:  defect                                  |     Status:  new
  Priority:  Normal                                  |  Milestone:
 Component:  ports                                   |    Version:
Resolution:                                          |   Keywords:
      Port:  gcc8, gcc9, gcc10, gcc11, gcc12, gcc13  |
-----------------------------------------------------+--------------------

Comment (by kencu):

 bootstrapping the toolchain is always fun -- currently cctools can't
 depend on any clang, due to circular deps.

 eventually somebody will set up a proper toolchain plan, using
 clang-11-bootstrap to build the most modern toolchains it can build on all
 older systems.

-- 
Ticket URL: <https://trac.macports.org/ticket/68683#comment:9>
MacPorts <https://www.macports.org/>
Ports system for macOS