[MacPorts] #70048: nghttp2 now requires C++20 which introduces a dependency cycle with clang compilers

[MacPorts]

#70048: nghttp2 now requires C++20 which introduces a dependency cycle with clang
compilers
-------------------------------------------------+-------------------------
  Reporter:  conradkun                           |      Owner:  (none)
      Type:  defect                              |     Status:  new
  Priority:  High                                |  Milestone:
 Component:  ports                               |    Version:  2.9.3
Resolution:                                      |   Keywords:
      Port:  nghttp2 curl clang-5.0 clang-6.0    |
  clang-7.0 clang-8.0 clang-9.0 clang-10         |
  clang-11 clang-12 clang-13 clang-14 clang-15   |
  clang-16 clang-17 clang-18                     |
-------------------------------------------------+-------------------------

Comment (by jmroot):

 In [changeset:"68aad5d94ee59bc5240c47380bd914ea5785ed7f/macports-ports"
 68aad5d94ee59bc5240c47380bd914ea5785ed7f/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="68aad5d94ee59bc5240c47380bd914ea5785ed7f"
 clang_compilers.tcl: try allowing C++20 on 10.6

 See: https://trac.macports.org/ticket/70048
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/70048#comment:7>
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