make test
make install
-For information on non-Unix systems, see the section on
-L<"Porting information"> below.
+For information on non-Unix systems, see the section on L<"Porting
+information"> below.
+
+If "make install" just says "`install' is up to date" or something
+similar, you may be on case-preserving filesystems such as Mac's HFS+
+and you should say "make install-all". (This confusion brought to you
+by the Perl distribution having a file called INSTALL.)
If you have problems, corrections, or questions, please see
L<"Reporting Problems"> below.