[MacPorts] #61145: libvterm @0.1.2:error: implicit declaration of function 'strdup' is invalid in C99

[MacPorts]

#61145: libvterm @0.1.2:error: implicit declaration of function 'strdup' is invalid
in C99
------------------------+----------------------
  Reporter:  keke-cute  |      Owner:  raimue
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.99
Resolution:             |   Keywords:
      Port:  libvterm   |
------------------------+----------------------

Comment (by kencu):

 I don't know... <https://man7.org/linux/man-pages/man3/strdup.3.html>

 {{{
   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

        strdup():
            _XOPEN_SOURCE >= 500
                || /* Since glibc 2.12: */ _POSIX_C_SOURCE >= 200809L
                || /* Glibc versions <= 2.19: */ _BSD_SOURCE ||
 _SVID_SOURCE
 }}}

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Ticket URL: <https://trac.macports.org/ticket/61145#comment:7>
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