[MacPorts] #56941: cmake @3.12.0_0 and gcc7 @7.3.0_3 don't work well together

[MacPorts]

#56941: cmake @3.12.0_0 and gcc7 @7.3.0_3 don't work well together
-------------------------+-----------------------
  Reporter:  iqgrande    |      Owner:  michaelld
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.5.3
Resolution:              |   Keywords:
      Port:  cmake, gcc  |
-------------------------+-----------------------

Comment (by iqgrande):

 Output below.

 {{{
 $ /bin/ls -lAF /opt/local/bin/c++* /opt/local/bin/g++*
 lrwxr-xr-x  1 root  admin       23 Dec 12  2017 /opt/local/bin/c++@ ->
 /opt/local/bin/c++-mp-7
 -rwxr-xr-x  4 root  admin  1139352 May 18 13:02 /opt/local/bin/c++-mp-5*
 -rwxr-xr-x  4 root  admin  1248292 Aug  4 10:09 /opt/local/bin/c++-mp-6*
 -rwxr-xr-x  4 root  admin  1347172 Aug  4 20:46 /opt/local/bin/c++-mp-7*
 -rwxr-xr-x  4 root  admin  1415912 Aug  4 13:47 /opt/local/bin/c++-mp-8*
 lrwxr-xr-x  1 root  admin       23 Dec 12  2017 /opt/local/bin/g++@ ->
 /opt/local/bin/g++-mp-7
 -rwxr-xr-x  4 root  admin  1139352 May 18 13:02 /opt/local/bin/g++-mp-5*
 -rwxr-xr-x  4 root  admin  1248292 Aug  4 10:09 /opt/local/bin/g++-mp-6*
 -rwxr-xr-x  4 root  admin  1347172 Aug  4 20:46 /opt/local/bin/g++-mp-7*
 -rwxr-xr-x  4 root  admin  1415912 Aug  4 13:47 /opt/local/bin/g++-mp-8*
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/56941#comment:6>
MacPorts <https://www.macports.org/>
Ports system for macOS