[MacPorts] #61652: c-ares @1.17.1 does not build on Big Sur X86_64, but the build bot has no problem with arm64 build

[MacPorts]

#61652: c-ares @1.17.1 does not build on Big Sur X86_64, but the build bot has no
problem with arm64 build
-----------------------+--------------------------
 Reporter:  snowflake  |      Owner:  tobypeterson
     Type:  defect     |     Status:  assigned
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.5.99
 Keywords:             |       Port:  c-ares
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 {{{
 clt version 12.2.0.0.1.1604076827
 Xcode 12.2 Build version 12B5025f
 Big Sur 11.1 x86_64 20C5048k
 }}}
 The new port configure feature which shows implicit declarations is
 showing this:

 {{{
 Warning: Configuration logfiles contain indications of -Wimplicit-
 function-declaration, check that features were not accidentially disabled:
   ioctlsocket: found in config.log
   clone: found in test/config.log
   bitncmp: found in config.log
   close: found in test/config.log
   getuid: found in test/config.log
   usleep: found in test/config.log
   write: found in test/config.log
   CloseSocket: found in config.log
   closesocket: found in config.log
 }}}

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Ticket URL: <https://trac.macports.org/ticket/61652>
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