-BABELTRACE_DIR="dependencies/babeltrace/build"
-BINDINGS_DIR="$BABELTRACE_DIR/lib/python3.4/dist-packages/babeltrace"
+BABELTRACE_DIR="deps/babeltrace/build"
+
+PYTHON3=python3
+P3_VERSION=$($PYTHON3 -c "import sys;print(sys.version[:3])")
+
+BINDINGS_DIR="$BABELTRACE_DIR/lib/python${P3_VERSION}/dist-packages/babeltrace"