/Volumes/MacPorts-1.8.2/MacPorts-1.8.2.pkg -target / echo "export PATH=/opt/local/bin:/opt/local/sbin:$PATH" >> ~/.profile source ~/.profile sudo port -v selfupdate Install version control & build systems The OpenCog project uses the Bazaar source code version control system (analogous to SVN or CVS), and the CMake build system (analogous to GNU autoconf). sudo port install bzr sudo port