[MacPorts] #69684: libgit2-devel @1.8.0: link failure for 10.7 and earlier: undefined symbol `_environ`

[MacPorts]

#69684: libgit2-devel @1.8.0: link failure for 10.7 and earlier: undefined symbol
`_environ`
---------------------+---------------------------
 Reporter:  mascguy  |      Owner:  mascguy
     Type:  defect   |     Status:  assigned
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:  2.9.3
 Keywords:           |       Port:  libgit2-devel
---------------------+---------------------------
 {{{
 Undefined symbols for architecture x86_64:
   "_environ", referenced from:
       _git_process_new in process.c.o
 ld: symbol(s) not found for architecture x86_64
 }}}

 Needs to be fixed before we can update the non-devel port.

 https://ports.macports.org/port/libgit2-devel/details/

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Ticket URL: <https://trac.macports.org/ticket/69684>
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