[MacPorts] #58618: root5: configure: c++11 mode is requested but the current compiler does not support it.

[MacPorts]

#58618: root5: configure: c++11 mode is requested but the current compiler does not
support it.
------------------------+--------------------------
 Reporter:  ryandesign  |      Owner:  cjones051073
     Type:  defect      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:  mojave      |       Port:  root5
------------------------+--------------------------
 [https://build.macports.org/builders/ports-10.14_x86_64-builder/builds/33031/steps
 /install-port/logs/stdio root5 fails to build on Mojave]. The error
 message says:

 {{{
 configure: c++11 mode is requested but the current compiler does not
 support it.
 }}}

 This is clearly incorrect; the MacPorts clang++ 5.0 compiler being used
 does of course support C++11.

 It's unclear why the port is forcing the use of MacPorts clang++ 5.0,
 rather than the more recent version of clang provided by Xcode.

-- 
Ticket URL: <https://trac.macports.org/ticket/58618>
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