[MacPorts] #71849: blackbag @0.9.1: error: implicit declaration of function 'arena_bufdup' is invalid in C99 [-Werror, -Wimplicit-function-declaration] (was: blackbag install error)

[MacPorts]

#71849: blackbag @0.9.1: error: implicit declaration of function 'arena_bufdup' is
invalid in C99 [-Werror,-Wimplicit-function-declaration]
-------------------------------+----------------------
  Reporter:  VenomousByDesign  |      Owner:  ecronin
      Type:  defect            |     Status:  assigned
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:  2.10.5
Resolution:                    |   Keywords:
      Port:  blackbag          |
-------------------------------+----------------------
Changes (by ryandesign):

 * version:   => 2.10.5


Comment:

 I tried on my macOS 12 system and I also got an error:

 {{{
 httputils.c:70:17: error: implicit declaration of function 'arena_bufdup'
 is invalid in C99 [-Werror,-Wimplicit-function-declaration]
 }}}

 We also had build failures on our build machines for macOS 11 and later.

-- 
Ticket URL: <https://trac.macports.org/ticket/71849#comment:2>
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