[MacPorts] #71769: graphviz @12.2.1_0+pangocairo+x11.darwin_24.x86_64 Configure error

[MacPorts]

#71769: graphviz @12.2.1_0+pangocairo+x11.darwin_24.x86_64 Configure error
--------------------+----------------------
 Reporter:  daCaPo  |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:  2.10.5
 Keywords:          |       Port:  graphviz
--------------------+----------------------
 Trying to install graphviz on macOS Sequoia 15.2 gives

 {{{
 :info:configure configure: error: *** A compiler with support for C++17
 language features is required.
 }}}

 However, compiling a simple program via

 {{{
 /usr/bin/clang++ -std=c++17 test.cpp
 }}}

 gives no error.

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Ticket URL: <https://trac.macports.org/ticket/71769>
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