diff options
Diffstat (limited to 'lib/envars.ml')
| -rw-r--r-- | lib/envars.ml | 75 |
1 files changed, 56 insertions, 19 deletions
diff --git a/lib/envars.ml b/lib/envars.ml index f764576d..e5c93803 100644 --- a/lib/envars.ml +++ b/lib/envars.ml @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2011 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -9,39 +9,75 @@ (* This file gathers environment variables needed by Coq to run (such as coqlib) *) -let coqbin () = - if !Flags.boot || Coq_config.local - then Filename.concat Coq_config.coqsrc "bin" - else System.canonical_path_name (Filename.dirname Sys.executable_name) +let coqbin = + System.canonical_path_name (Filename.dirname Sys.executable_name) + +(* The following only makes sense when executables are running from + source tree (e.g. during build or in local mode). *) +let coqroot = Filename.dirname coqbin (* On win32, we add coqbin to the PATH at launch-time (this used to be done in a .bat script). *) let _ = if Coq_config.arch = "win32" then - Unix.putenv "PATH" (coqbin() ^ ";" ^ System.getenv_else "PATH" "") + Unix.putenv "PATH" (coqbin ^ ";" ^ System.getenv_else "PATH" "") + +let reldir instdir testfile oth = + let rpath = if Coq_config.local then [] else instdir in + let out = List.fold_left Filename.concat coqroot rpath in + if Sys.file_exists (Filename.concat out testfile) then out else oth () let guess_coqlib () = let file = "states/initial.coq" in - if Sys.file_exists (Filename.concat Coq_config.coqlib file) - then Coq_config.coqlib - else - let coqbin = System.canonical_path_name (Filename.dirname Sys.executable_name) in - let prefix = Filename.dirname coqbin in - let rpath = if Coq_config.local then [] else - (if Coq_config.arch = "win32" then ["lib"] else ["lib";"coq"]) in - let coqlib = List.fold_left Filename.concat prefix rpath in - if Sys.file_exists (Filename.concat coqlib file) then coqlib else - Util.error "cannot guess a path for Coq libraries; please use -coqlib option" + reldir (if Coq_config.arch = "win32" then ["lib"] else ["lib";"coq"]) file + (fun () -> + let coqlib = match Coq_config.coqlib with + | Some coqlib -> coqlib + | None -> coqroot + in + if Sys.file_exists (Filename.concat coqlib file) + then coqlib + else Util.error "cannot guess a path for Coq libraries; please use -coqlib option") let coqlib () = if !Flags.coqlib_spec then !Flags.coqlib else - (if !Flags.boot then Coq_config.coqsrc else guess_coqlib ()) + (if !Flags.boot then coqroot else guess_coqlib ()) + +let docdir () = + reldir (if Coq_config.arch = "win32" then ["doc"] else ["share";"doc";"coq"]) "html" (fun () -> Coq_config.docdir) let path_to_list p = let sep = if Sys.os_type = "Win32" then ';' else ':' in Util.split_string_at sep p +let xdg_data_home = + Filename.concat + (System.getenv_else "XDG_DATA_HOME" (Filename.concat System.home ".local/share")) + "coq" + +let xdg_config_home = + Filename.concat + (System.getenv_else "XDG_CONFIG_HOME" (Filename.concat System.home ".config")) + "coq" + +let xdg_data_dirs = + try + List.map (fun dir -> Filename.concat dir "coq") (path_to_list (Sys.getenv "XDG_DATA_DIRS")) + with Not_found -> "/usr/local/share/coq" :: "/usr/share/coq" + :: (match Coq_config.datadir with |None -> [] |Some datadir -> [datadir]) + +let xdg_dirs = + let dirs = xdg_data_home :: xdg_data_dirs + in + List.rev (List.filter Sys.file_exists dirs) + +let coqpath = + try + let path = Sys.getenv "COQPATH" in + List.rev (List.filter Sys.file_exists (path_to_list path)) + with Not_found -> [] + let rec which l f = match l with | [] -> raise Not_found @@ -74,11 +110,12 @@ let camllib () = let _,res = System.run_command (fun x -> x) (fun _ -> ()) com in Util.strip res -(* TODO : essayer aussi camlbin *) let camlp4bin () = if !Flags.camlp4bin_spec then !Flags.camlp4bin else if !Flags.boot then Coq_config.camlp4bin else - try guess_camlp4bin () with _ -> Coq_config.camlp4bin + try guess_camlp4bin () with _ -> let cb = camlbin () in + if Sys.file_exists (Filename.concat cb Coq_config.camlp4) then cb + else Coq_config.camlp4bin let camlp4lib () = if !Flags.boot |