[MacPorts] #69200: poppler fails to build - missing charconv on 10.5 leopard

[MacPorts]

#69200: poppler fails to build - missing charconv on 10.5 leopard
-----------------------------------+---------------------
 Reporter:  rmottola               |      Owner:  (none)
     Type:  defect                 |     Status:  new
 Priority:  Normal                 |  Milestone:
Component:  ports                  |    Version:
 Keywords:  legacysupport,leopard  |       Port:  poppler
-----------------------------------+---------------------
 On 10.5 building with clang 11

 missing header? who should provide it?


 {{{
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_poppler/poppler/work/poppler-24.01.0/fofi/FoFiType1.cc:31:10:
 fatal error: 'charconv' file not found
 #include <charconv>
          ^~~~~~~~~~
 }}}

 1 error generated.

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Ticket URL: <https://trac.macports.org/ticket/69200>
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