INSTALL UNDER UNIX You need the ocaml compiler installed. It must be accessible in the path. 1. Choose which compilation mode "transitional" or "strict" (see the file "MODE") and do either: ./configure --transitional or: ./configure --strict To compile with jocaml, add option '--oname jocaml'. All other options of 'configure' can be displayed with its option --help. 2. Then, to make everything, do: make world.opt Faster compilation, in parallel, with option -j (see manual page of 'make', for information). For example, if you have a computer with 4 cores: make -j4 world.opt Alternatively, you can decompose the operations into: make Then, to make camlp5 check itself: make bootstrap Further, to make the native-code library: make opt At end, to make more native-code programs: make opt.opt 3. Become root and do: make install INSTALL UNDER WINDOWS Under Windows, you need the Cygwin environment. The above directives apply.