- 3. Optionally copy sbcl.1 to /usr/man/man1 or /usr/local/man/man1.
-The script install.sh does these for you (choosing the /usr/local
-subdirectory) in each case.
+ 3. Copy the contrib modules that you're using (if any) to the same place
+ as sbcl.core
+ 4. Optionally copy sbcl.1 to /usr/man/man1 or /usr/local/man/man1.
+
+The script install.sh does all of this for you, including compilation
+of all contrib modules it can find, and installation of all those that
+pass their tests. You should set the INSTALL_ROOT environment
+variable to /usr or /usr/local as appropriate before starting
+install.sh: e.g.
+
+ # INSTALL_ROOT=/usr/local sh install.sh
+
+or