[Ns-bugs] [Bug 413] New: python bindings not portable to OS X

[code@nsnam.ece.gatech.edu]

http://www.nsnam.org/bugzilla/show_bug.cgi?id=413

           Summary: python bindings not portable to OS X
           Product: ns-3
           Version: ns-3-dev
          Platform: Macintosh
        OS/Version: Mac OS
            Status: ASSIGNED
          Severity: normal
          Priority: P3
         Component: python bindings
        AssignedTo: gjcarneiro at gmail.com
        ReportedBy: tomh at tomh.org
                CC: ns-bugs at isi.edu
   Estimated Hours: 0.0


I'm getting the following error when trying to enable Python on OS X:
[531/532] cxx_link: build/debug/bindings/python/ns3module_3.o
build/debug/bindings/python/ns3module_helpers_3.o
build/debug/bindings/python/ns3_module_bridge_3.o
build/debug/bindings/python/ns3_module_common_3.o
build/debug/bindings/python/ns3_module_contrib_3.o
build/debug/bindings/python/ns3_module_core_3.o
build/debug/bindings/python/ns3_module_csma_3.o
build/debug/bindings/python/ns3_module_global_routing_3.o
build/debug/bindings/python/ns3_module_helper_3.o
build/debug/bindings/python/ns3_module_internet_stack_3.o
build/debug/bindings/python/ns3_module_mobility_3.o
build/debug/bindings/python/ns3_module_node_3.o
build/debug/bindings/python/ns3_module_olsr_3.o
build/debug/bindings/python/ns3_module_onoff_3.o
build/debug/bindings/python/ns3_module_packet_sink_3.o
build/debug/bindings/python/ns3_module_point_to_point_3.o
build/debug/bindings/python/ns3_module_simulator_3.o
build/debug/bindings/python/ns3_module_stats_3.o
build/debug/bindings/python/ns3_module_udp_echo_3.o
build/debug/bindings/python/ns3_module_wifi_3.o ->
build/debug/bindings/python/ns3/_ns3.so
/usr/bin/ld: Undefined symbols:
_environ
collect2: ld returned 1 exit status

This seems to be a common problem for OS X, but am not sure how to best address
it in our codebase:
http://wiki.finkproject.org/index.php/Fink:Porting_Notes#The__environ_symbol


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