[MacPorts] #65087: libcryptopp @8.6.0+universal: Undefined symbols

[MacPorts]

#65087: libcryptopp @8.6.0+universal: Undefined symbols
-----------------------------+------------------------
  Reporter:  sudheerhebbale  |      Owner:  raphael-st
      Type:  defect          |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:  monterey
      Port:  libcryptopp     |
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Comment (by raphael-st):

 According to [https://www.cryptopp.com/wiki/Universal_Binaries Crypto++'s
 universal build instructions] the `muniversal` port group could be the
 solution. The problem I have now is to figure out how to add the current
 build architecture to the `CXXFLAGS` environment variable.
 `[get_canonical_archflags cxx]` returns all universal architectures at
 once and `[muniversal_get_arch_flag ${muniversal.current_arch}]` does not
 work.

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Ticket URL: <https://trac.macports.org/ticket/65087#comment:4>
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