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  1. POpython in mac os x error Undefined symbols: "_PyImport_Import"
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    <p>While building SUMO (Simulation of Urban MObility <a href="http://sumo.sf.net/" rel="nofollow">http://sumo.sf.net/</a>) in mac os x (10.6.8) the following error occured. I don't think this is specific to SUMO, rather python installation in mac related issue, so I am posting here. FYI, the python version is 2.7.1 here.</p> <p>Any idea on how to solve this issue?</p> <pre><code>libtool: link: g++ -g -pthread -o sumo sumo_main.o ./microsim/MSMoveReminder.o -Wl,-bind_at_load -L/opt/local/lib ./netload/libnetload.a ./microsim/libmicrosim.a ./microsim/cfmodels/libmicrosimcfmodels.a ./microsim/devices/libmicrosimdevs.a ./microsim/output/libmicrosimoutput.a ./microsim/trigger/libmicrosimtrigger.a ./microsim/actions/libmsactions.a ./microsim/traffic_lights/libmicrosimtls.a ./utils/geom/libgeom.a ./utils/shapes/libshapes.a ./traci-server/libtraciserver.a ./utils/options/liboptions.a ./utils/common/libcommon.a ./utils/xml/libxml.a ./utils/importio/libimportio.a ./utils/iodevices/libiodevices.a ./foreign/tcpip/libtcpip.a ./foreign/nvwa/libnvwa.a -lxerces-c /opt/local/lib/libproj.dylib -lm -pthread Undefined symbols: "_PyImport_Import", referenced from: traci::TraCIServer::runEmbedded(std::basic_string&lt;char, std::char_traits&lt;char&gt;, std::allocator&lt;char&gt; &gt;)in libtraciserver.a(TraCIServer.o) "_PyString_FromString", referenced from: traci::TraCIServer::runEmbedded(std::basic_string&lt;char, std::char_traits&lt;char&gt;, std::allocator&lt;char&gt; &gt;)in libtraciserver.a(TraCIServer.o) "_Py_Finalize", referenced from: traci::TraCIServer::runEmbedded(std::basic_string&lt;char, std::char_traits&lt;char&gt;, std::allocator&lt;char&gt; &gt;)in libtraciserver.a(TraCIServer.o) "_Py_Initialize", referenced from: traci::TraCIServer::runEmbedded(std::basic_string&lt;char, std::char_traits&lt;char&gt;, std::allocator&lt;char&gt; &gt;)in libtraciserver.a(TraCIServer.o) "_Py_InitModule4_64", referenced from: traci::TraCIServer::runEmbedded(std::basic_string&lt;char, std::char_traits&lt;char&gt;, std::allocator&lt;char&gt; &gt;)in libtraciserver.a(TraCIServer.o) "_PyRun_SimpleFileExFlags", referenced from: traci::TraCIServer::runEmbedded(std::basic_string&lt;char, std::char_traits&lt;char&gt;, std::allocator&lt;char&gt; &gt;)in libtraciserver.a(TraCIServer.o) "_PyErr_Print", referenced from: traci::TraCIServer::runEmbedded(std::basic_string&lt;char, std::char_traits&lt;char&gt;, std::allocator&lt;char&gt; &gt;)in libtraciserver.a(TraCIServer.o) "_PyArg_ParseTuple", referenced from: traci::traciemb_execute(_object*, _object*)in libtraciserver.a(TraCIServer.o) "_Py_BuildValue", referenced from: traci::traciemb_execute(_object*, _object*)in libtraciserver.a(TraCIServer.o) ld: symbol(s) not found collect2: ld returned 1 exit status make[3]: *** [sumo] Error 1 make[2]: *** [all-recursive] Error 1 make[1]: *** [all] Error 2 make: *** [all-recursive] Error 1 </code></pre>
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