[MacPorts] #57196: libgcc7 fails to compile/install on macOS Mojave

[MacPorts]

#57196: libgcc7 fails to compile/install on macOS Mojave
------------------------------+--------------------
  Reporter:  ProgrammingPoet  |      Owner:  (none)
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.5.3
Resolution:                   |   Keywords:  mojave
      Port:  libgcc7          |
------------------------------+--------------------

Comment (by basmac):

 {{{
 libgcc7-7.3.0_4 fails now after selfupdate, the following is installed on
 Mojave 10.14.1
   gcc7 @7.3.0_5 (active)
   gcc8 @8.2.0_2 (active)
   gcc_select @0.1_8 (active)
   libgcc @1.0_0 (active)
   libgcc7 @7.3.0_3 (active)
   libgcc8 @8.2.0_2 (active)
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/57196#comment:15>
MacPorts <https://www.macports.org/>
Ports system for macOS