-To run unit tests `cpputest` and `valgrind`
-need to be installed as additional dependencies.
-To enable and run unit tests use the commands:
+By default unit tests and valgrind memory checking are enabled.
+This requires `cpputest` and `valgrind` as additional dependencies.
+Unit test memory checking can be disabled with the `configure` option
+`--disable-unit-test-memcheck` and the unit tests can be completely disabled
+with the `configure` option `--disable-unit-test`.
+For example to compile and install with unit tests completely disabled
+one would run the commands: