[MacPorts] #60247: zeek requires C++17

[MacPorts]

#60247: zeek requires C++17
------------------------+-------------------------
 Reporter:  ryandesign  |      Owner:  Schamschula
     Type:  defect      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.6.2
 Keywords:              |       Port:  zeek
------------------------+-------------------------
 https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/19673/steps
 /install-port/logs/stdio

 {{{
 CMake Error at aux/paraglob/RequireCXX17.cmake:48 (message):
   Apple Clang version must be at least 6.0 for C++17 support, detected:
   4.2.0.4250028
 }}}

 Try:

 {{{
 compiler.cxx_standard 2017
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/60247>
MacPorts <https://www.macports.org/>
Ports system for macOS