[MacPorts] #55840: freecad @0.16_4 fails to build on Mavericks

[MacPorts]

#55840: freecad @0.16_4 fails to build on Mavericks
-----------------------+---------------------
 Reporter:  tehcog     |      Owner:
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.4.2
 Keywords:  mavericks  |       Port:  freecad
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 {{{
 :info:configure -- Could NOT find Spnav (missing: SPNAV_LIBRARY
 SPNAV_INCLUDE_DIR)
 :info:configure CMake Error at CMakeLists.txt:792 (find_package):
 :info:configure   Could not find a package configuration file provided by
 "Shiboken" with any
 :info:configure   of the following names:
 :info:configure     ShibokenConfig.cmake
 :info:configure     shiboken-config.cmake
 :info:configure   Add the installation prefix of "Shiboken" to
 CMAKE_PREFIX_PATH or set
 :info:configure   "Shiboken_DIR" to a directory containing one of the
 above files.  If
 :info:configure   "Shiboken" provides a separate development package or
 SDK, be sure it has
 :info:configure   been installed.
 :info:configure -- Configuring incomplete, errors occurred!
 }}}

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Ticket URL: <https://trac.macports.org/ticket/55840>
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