[MacPorts] #62316: Slirp build failure on Mac OS 11

[MacPorts]

#62316: Slirp build failure on Mac OS 11
-----------------------------+--------------------
 Reporter:  programmingkidx  |      Owner:  (none)
     Type:  defect           |     Status:  new
 Priority:  Normal           |  Milestone:
Component:  ports            |    Version:
 Keywords:  slirp            |       Port:  slirp
-----------------------------+--------------------
 I tried installing slirp on Mac OS 11.1 but it failed with several errors.

 Here are some of them:

 :info:build ./main.p:1:5: error: second parameter of 'main' (argument
 array) must be of type 'char **'
 :info:build int main _P((int, char));

 :info:build ./misc.p:4:29: error: 'void' must be the first and only
 parameter if specified
 :info:build inline void slirp_insque _P((void, void));
 :info:build                             ^
 :info:build ./misc.p:4:29: error: 'void' must be the first and only
 parameter if specified


 :info:build ./ppp.p:13:6: error: conflicting types for 'output'
 :info:build void output _P((int, u_char, int));

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Ticket URL: <https://trac.macports.org/ticket/62316>
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