[MacPorts] #54217: gdb 7.12.1 does not work on macOS Sierra

[MacPorts]

#54217: gdb 7.12.1 does not work on macOS Sierra
---------------------+----------------------
  Reporter:  plinss  |      Owner:
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.4.1
Resolution:          |   Keywords:  haspatch
      Port:  gdb     |
---------------------+----------------------

Comment (by plinss):

 Neglected to mention this fixes the issue: "During startup program
 terminated with signal ?, unknown signal." while attempting to run any
 program.

 FWIW, the same patch is being used by homebrew, see:
 https://github.com/Homebrew/homebrew-core/blob/master/Formula/gdb.rb

--
Ticket URL: <https://trac.macports.org/ticket/54217#comment:3>
MacPorts <https://www.macports.org/>
Ports system for macOS