[MacPorts] #52207: ngrep @1.45 build fails on macOS Sierra

[MacPorts]

#52207: ngrep @1.45 build fails on macOS Sierra
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  Reporter:  marcel@…  |      Owner:  grace@…
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.4
Resolution:            |   Keywords:  sierra
      Port:  ngrep     |
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Comment (by ryandesign@…):

 [https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/406/steps
 /install-port/logs/stdio Here's the log from the buildbot]. Looks like the
 problem is:

 {{{
 checking for pcap_open_live in -lpcap... yes
 checking for pcap_restart in -lpcap... no
 checking for pcap_yyrestart in -lpcap... no
 checking for yyrestart in -lpcap... no
 no yacc restart func found
 perhaps libpcap wasn't compiled with bison/flex?
 }}}

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Ticket URL: <https://trac.macports.org/ticket/52207#comment:2>
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