diff options
| author |  Hugo Herbelin <Hugo.Herbelin@inria.fr> | 2015-10-25 15:20:28 +0100 |
|---|---|---|
| committer | Hugo Herbelin <Hugo.Herbelin@inria.fr> | 2015-10-26 20:05:41 +0100 |
| commit | ee72fb2936a4ff5032aa6b8fba3165cdb6ca448e (patch) | |
| tree | 7641269f94e0cab6436b2c04a19939333f27c064 | |
| parent | d1114c5f55fcb96a99a1a5562b014414ad8217ba (diff) | |
Preventing using OCaml 4.02.0 for compiling Coq as compilation times
are redhibitory.
| -rw-r--r-- | INSTALL | 10 | ||||
| -rw-r--r-- | configure.ml | 7 |
2 files changed, 12 insertions, 5 deletions
@@ -55,10 +55,12 @@ QUICK INSTALLATION PROCEDURE. INSTALLATION PROCEDURE IN DETAILS (NORMAL USERS). ================================================= -1- Check that you have the Objective Caml compiler version 3.12.1 (or later) - installed on your computer and that "ocamlc" (or its native code version - "ocamlc.opt") lie in a directory which is present in your $PATH environment - variable. +1- Check that you have the Objective Caml compiler installed on your + computer and that "ocamlc" (or, better, its native code version + "ocamlc.opt") lies in a directory which is present in your $PATH + environment variable. At the time of writing this sentence, all + versions of Objective Caml later or equal to 3.12.1 are + supported to the exception of Objective Caml 4.02.0. To get Coq in native-code, (it runs 4 to 10 times faster than bytecode, but it takes more time to get compiled and the binary is diff --git a/configure.ml b/configure.ml index 806ac381b..0573cced6 100644 --- a/configure.ml +++ b/configure.ml @@ -513,7 +513,12 @@ let caml_version_nums = let check_caml_version () = if caml_version_nums >= [3;12;1] then - printf "You have OCaml %s. Good!\n" caml_version + if caml_version_nums = [4;2;0] && not !Prefs.force_caml_version then + die ("Your version of OCaml is 4.02.0 which suffers from a bug inducing\n" ^ + "very slow compilation times. If you still want to use it, use \n" ^ + "option -force-caml-version.\n") + else + printf "You have OCaml %s. Good!\n" caml_version else let () = printf "Your version of OCaml is %s.\n" caml_version in if !Prefs.force_caml_version then |