[MacPorts] #45734: gettext @0.19.3: compiling areadlink.c fails with "use of undeclared identifier 'AT_FDCWD'"

[MacPorts]

#45734: gettext @0.19.3: compiling areadlink.c fails with "use of undeclared
identifier 'AT_FDCWD'"
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  Reporter:  chockenbrocht@…  |      Owner:  ryandesign@…
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.3.2
Resolution:                   |   Keywords:
      Port:  gettext          |
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Comment (by ryandesign@…):

 The best suggestion I can offer at this time is reinstall the Xcode
 command line tools, because the symbols your logs say are missing are
 defined by files in /usr/include, which is part of the command line tools
 package. If "xcode-select --install" says they're already installed,
 download the standalone Xcode command line tools installer from the Apple
 developer web site and install that.

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Ticket URL: <https://trac.macports.org/ticket/45734#comment:9>
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