[MacPorts] #54928: webkit2-gtk @2.14.2: build failing under High Sierra due to error: delegating constructors are permitted only in C++11

[MacPorts]

#54928: webkit2-gtk @2.14.2: build failing under High Sierra due to error:
delegating constructors are permitted only in C++11
--------------------------+------------------------
  Reporter:  pmetzger     |      Owner:  jeremyhu
      Type:  defect       |     Status:  assigned
  Priority:  High         |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  highsierra
      Port:  webkit2-gtk  |
--------------------------+------------------------
Description changed by kencu:

Old description:

> My build is dying with:
>
> /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_www_webkit2-gtk/webkit2-gtk/work/webkitgtk-2.14.2/Source/ThirdParty/ANGLE/src/com/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_www_webkit2-gtk/webkit2-gtk/work/webkitgtk-2.14.2/Source/ThirdParty/ANGLE/src/common/mathutil.h:562:20:
> error: delegating constructors are permitted only in C++11
>     IndexRange() : IndexRange(0, 0, 0) {}
>                    ^~~~~~~~~~
> 11 warnings and 1 error generated.

New description:

 My build is dying with:
 {{{
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_www_webkit2-gtk/webkit2-gtk/work/webkitgtk-2.14.2/Source/ThirdParty/ANGLE/src/com/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_www_webkit2-gtk/webkit2-gtk/work/webkitgtk-2.14.2/Source/ThirdParty/ANGLE/src/common/mathutil.h:562:20:
 error: delegating constructors are permitted only in C++11
     IndexRange() : IndexRange(0, 0, 0) {}
                    ^~~~~~~~~~
 11 warnings and 1 error generated.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/54928#comment:4>
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