[MacPorts] #57958: gnutls @3.6.5_1+doc: stray @CODE_COVERAGE_RULES@ in Makefile breaks build

[MacPorts]

#57958: gnutls @3.6.5_1+doc: stray @CODE_COVERAGE_RULES@ in Makefile breaks build
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  Reporter:  mmilenko  |      Owner:  Schamschula
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.5.4
Resolution:            |   Keywords:
      Port:  gnutls    |
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Comment (by Schamschula):

 It looks like you have {{{ autoconf-archive}}} installed! This is the
 difference amongst my machines!

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Ticket URL: <https://trac.macports.org/ticket/57958#comment:11>
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