I have gotten the updated code and compiled it. However, I'm getting an error with the src in the file graph_properties.cc .................../graphtool/graph-tool/src/graph' CXX graph.lo CXX graph_bind.lo CXX graph_copy.lo CXX graph_filtering.lo CXX graph_io.lo CXX graph_properties.lo graph_properties.cc: In function ‘void edge_difference(graph_tool::GraphInterface&, boost::any, boost::any)’: graph_properties.cc:224: error: using ‘typename’ outside of template make[4]: *** [graph_properties.lo] Error 1 -- View this message in context: http://main-discussion-list-for-the-graph-tool-project.982480.n3.nabble.com/... Sent from the Main discussion list for the graph-tool project mailing list archive at Nabble.com.