sounak dey

Hello, I was trying to build owlcpp in Ubuntu 14.04 with Boost version 1.65.1, Raptor library 2-2.0.15, libxml library version 2-2.9.0, Fact++ library version 1.6.3. When I fire the command "b2 release" from owlcpp library then I get the following error: /home/sounak/OWL_CPP/boost_1_65_1/tools/build/src/build/toolset.jam:44: in toolset.using ERROR: rule "ext/raptor.init" unknown in module "toolset". /home/nei-admin/OWL_CPP/boost_1_65_1/tools/build/src/build/project.jam:1053: in using external/jamfile.jam:15:...