[MacPorts] #66433: m4: Configuration logfiles contain indications of -Wimplicit-function-declaration

[MacPorts]

#66433: m4: Configuration logfiles contain indications of -Wimplicit-function-
declaration
---------------------+--------------------------------------------
  Reporter:  judaew  |      Owner:  (none)
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.8.0
Resolution:          |   Keywords:  wimplicit-function-declaration
      Port:  m4      |
---------------------+--------------------------------------------

Comment (by ryandesign):

 In [changeset:"261293da070868496074b2397abdc21a72982e09/macports-ports"
 261293da070868496074b2397abdc21a72982e09/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="261293da070868496074b2397abdc21a72982e09"
 m4: Suppress strchr warning

 See: https://trac.macports.org/ticket/66433
 }}}

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Ticket URL: <https://trac.macports.org/ticket/66433#comment:2>
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