[MacPorts] #41274: libiconv @1.14_0: 'stdarg.h' file not found

[MacPorts]

#41274: libiconv @1.14_0: 'stdarg.h' file not found
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  Reporter:  chema.torrelles@…  |      Owner:  ryandesign@…
      Type:  defect             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.2.1
Resolution:                     |   Keywords:
      Port:  libiconv           |
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Comment (by chema.torrelles@…):

 Replying to [comment:6 ryandesign@…]:
 > Your configure output includes this line:
 > {{{
 > :info:configure checking for ANSI C header files... no
 > }}}
 > whereas mine says "yes". Are you sure you've installed the command line
 tools by running `xcode-select --install`?

 I thought it was installed. I have just tried to install it by "xcode-
 select --install", but now I receive the following message after the
 system tries to download it

 "Can't install the software because it is not currently available from the
 Software Update server"

 Thanks.

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Ticket URL: <https://trac.macports.org/ticket/41274#comment:7>
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