[MacPorts] #14699: spread: Update to version 4

[MacPorts]

#14699: spread: Update to version 4
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  Reporter:  Lars.Rasmusson@…  |      Owner:  macports-tickets@…
      Type:  update            |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:  1.6.0
Resolution:                    |   Keywords:
      Port:  spread            |
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Comment (by khindenburg@…):

 I can't find the 4.x version anywhere else but to use the form - also not
 sure about this library versioning

 {{{
    set LIBFULLVERSION ${version}
    set LIBCOMPATVERSION [join [lrange [split ${version} .] 0 2] .]
    set LIBVERSION [join [lrange [split ${version} .] 0 1] .]
    reinplace "s|^LIBFULLVERSION=3.0.0\$|LIBFULLVERSION=${LIBFULLVERSION}|"
 \
        ${worksrcpath}/libspread/Makefile.in
    reinplace "s|^LIBVERSION=3\$|LIBVERSION=${LIBVERSION}|" \
          ${worksrcpath}/libspread/Makefile.in
 }}}

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Ticket URL: <https://trac.macports.org/ticket/14699#comment:16>
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