+#
+# You will also need Python 3 YAML. Under Debian or ubuntu:
+#
+# apt-get install python3-yaml
+#
+# If you have pip installed,
+#
+# pip3 install PyYAML
+#
+# If you are using MacPorts on OS X:
+# port install py3{5,6}-yaml as appropriate for your Python 3 version.
+#
+# To build with save/resume disabled, pass CCFLAGS="-D ADVENT_NOSAVE"