[MacPorts] #50763: doxygen @1.8.10_2 - build failure

[MacPorts]

#50763: doxygen @1.8.10_2 - build failure
---------------------------+-------------------
  Reporter:  0x12345678@…  |      Owner:  css@…
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.3.4
Resolution:                |   Keywords:
      Port:  doxygen       |
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Comment (by ryandesign@…):

 Specifically, the error is:

 {{{
 :info:configure -- Could NOT find ICONV (missing:  ICONV_COMPILES)
 :info:configure CMake Error at cmake/FindIconv.cmake:121 (MESSAGE):
 :info:configure   Unable to determine iconv() signature
 :info:configure Call Stack (most recent call first):
 :info:configure   CMakeLists.txt:63 (find_package)
 }}}

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Ticket URL: <https://trac.macports.org/ticket/50763#comment:2>
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