[MacPorts] #39831: bob @1.1.4_0: update to 1.2.0

[MacPorts]

#39831: bob @1.1.4_0: update to 1.2.0
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  Reporter:  laurent.el-shafey@…  |      Owner:  larryv@…
      Type:  update               |     Status:  assigned
  Priority:  Normal               |  Milestone:
 Component:  ports                |    Version:
Resolution:                       |   Keywords:  haspatch maintainer
      Port:  bob                  |
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Comment (by laurent.el-shafey@…):

 The newly attached Portfile-bob.diff fixes the build issue on both lion
 and mountain lion, by adding a build dependency to pkgconfig.
 The build problem on snowleopard was a python-matplotlib issue, and not
 directly caused by the bob library.
 Thanks in advance for applying the change, and sorry for the
 inconvenience.

 P.S.: Note that a deprecated dependency to opencv was also removed.

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Ticket URL: <https://trac.macports.org/ticket/39831#comment:5>
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