configure.ml 7.58 KB
Newer Older
1
(*
2
3
#use "topfind";;
#require "findlib";;
4
*)
5

6
7
open Printf

8
9
let not_distrib = Sys.file_exists "Makefile.distrib"

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
let usage () =
  print_string "\
Configuration of CDuce.

Usage: ./configure [OPTION]...

Defaults for the options are specified in brackets.

Options:
 --help                display this help and exit

Optional features:
 --with-FEATURE        force support for FEATURE [default: autodetect]
 --without-FEATURE     disable support for FEATURE [default: autodetect]

 Available features:
 ocamlopt              use ocamlopt instead of ocamlc to build CDuce
 pxp_wlex              use wlexers for parsing utf8 with PXP [default: false]
28
 pxp                   support for the PXP XML parser
29
30
31
32
 expat                 support for the expat XML parser
 curl                  support for the libcurl library
 netclient             support for the netclient library

33
OCaml/CDuce interface:
34
 --mliface=DIR         build the interface with the OCaml sources in DIR
35

36
37
38
39
Installation directories:
 --prefix=PREFIX       install files in PREFIX [/usr/local]
 --bindir=DIR          install user executables in DIR [PREFIX/bin]
 --mandir=DIR          install man documentation in DIR [PREFIX/man]
40
41
42
 --docdir=DIR          install the rest of the doc in DIR [PREFIX/doc/cduce]
";
if not_distrib then print_string "
43
44
45
46
47
48
49
50
51
52
 --wprefix=WPREFIX     root directory of the web-server [/var/www]
 --cgidir=DIR          install the cgi-bin interpreter in DIR [WPREFIX/cgi-bin]
 --htmldir=DIR         install the website in DIR [WPREFIX/html]
 --sessiondir=DIR      store the open sessions of the cgi-bin in DIR 
                       [/tmp/cduce_sessions]
"

let features = 
  [ "ocamlopt", ref `auto;
    "mliface", ref `auto;
53
    "pxp", ref `auto;
54
55
56
57
58
59
60
61
62
    "expat", ref `auto;
    "curl", ref `auto;
    "netclient", ref `auto;
    "pxp_wlex", ref `no ]
  
let vars = 
  [ "prefix", ref "/usr/local";
    "bindir", ref "";
    "mandir", ref "";
63
    "docdir", ref "";
64
65
66
67
68

    "wprefix", ref "/var/www";
    "cgidir", ref "";
    "htmldir", ref "";

69
70
71
    "sessiondir", ref "/tmp/cduce_sessions";
    "mliface", ref ""
  ]
72
73


74
let src_dirs = ["/usr/src"; "/usr/local/src"; "/tmp"]
75
76
77
78
	
let fatal s = printf "*** Fatal error: %s\n" s; exit 1
let warning s = printf "* Warning: %s\n" s

79
80
81
82
83
84
85
86
87
88
89
let log s =
  let oc = open_out_gen [ Open_append; Open_creat ] 0o600 "configure.log" in
  output_string oc s;
  output_char oc '\n';
  close_out oc;
  flush stdout

let command s =
  log ("==> " ^ s);
  Sys.command (sprintf "%s 2>> configure.log" s) = 0

90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
let start_with s p =
  let ls = String.length s and lp = String.length p in
  if (ls >= lp) && (String.sub s 0 lp = p)
  then Some (String.sub s lp (ls - lp)) else None
    
let parse_arg s =
  if s = "--help" then (usage (); exit 0)
  else
    match start_with s "--with-" with
      | Some f -> (List.assoc f features) := `yes
      | None ->
    match start_with s "--without-" with
      | Some f -> (List.assoc f features) := `no
      | None ->
    let i = String.index s '=' in
    if i < 2 then raise Not_found;
    let n = String.sub s 2 (i - 2) in
    let v = String.sub s (succ i) (String.length s - i - 1) in
    (List.assoc n vars) := v

let () =
111
  print_endline "Configuring CDuce for compilation...\n";
112
113
114
115
116
117
  (try for i = 1 to Array.length Sys.argv - 1 do parse_arg Sys.argv.(i) done
  with Not_found -> usage (); fatal "Incorrect command line");
  (try Sys.remove "configure.log" with Sys_error _ -> ());
  ignore (Sys.command "uname -a >> configure.log")

let print s = print_string s; flush stdout
118
119
120
121
122

let check_feature f p =
  printf "%s: " f;
  match !(List.assoc f features) with
    | `no -> 
123
	print "disabled\n"; false
124
    | `yes -> 
125
	print "checking... ";
126
	if p () 
127
128
	then (print "ok\n"; true) 
	else (print "failed !\n"; fatal "Required feature is not available")
129
    | `auto -> 
130
	print "autodetecting... ";
131
	if p () 
132
133
134
135
136
	then (print "enabled\n"; true)
	else (print "disabled\n"; false)

let native = 
  check_feature "ocamlopt" (fun () -> command "ocamlfind ocamlopt")
137
138

let check_pkg p () =
139
140
141
142
143
144
  try
(*    ignore (Findlib.package_property
      [ (if native then "native" else "bytecode") ]
      p "archive"); *)
    command 
      (sprintf 
145
	 "ocamlfind ocaml%s -package %s -linkpkg -o configure.try && rm -f configure.try"
146
147
148
	 (if native then "opt" else "c")
	 p)
  with Not_found -> false
149
150

let need_pkg p =
151
  printf "Checking for package %s... " p; flush stdout;
152
  if not (check_pkg p ()) 
153
154
  then (print "failed !\n"; fatal "Required package is not available")
  else (print "ok\n")
155
156
157
158
159
160
161
162
163

let dir ?def d = 
  let s = !(List.assoc d vars) in
  if s <> "" then s
  else match def with 
    | Some x -> x 
    | None -> fatal (sprintf "%s cannot be empty" d)


164
165
let exe = match Sys.os_type with 
  | "Cygwin" ->
166
      print "Cygwin detected... executable will have .exe extension"; ".exe" 
167
168
  | _ -> ""

169
let check_mliface dir =
170
  Sys.file_exists (Filename.concat dir "typing/types.ml") 
171

172
let ocaml_stdlib () =
173
174
175
  if (Sys.command "ocamlc -where > ocaml_stdlib" <> 0) then
    fatal "Can't run ocamlc to get OCaml standard library path";
  let ic = open_in "ocaml_stdlib" in
176
177
  let s = input_line ic in
  close_in ic;
178
  Sys.remove "ocaml_stdlib";
179
  s
180

181
let ml_interface = 
182
  let dir1 = !(List.assoc "mliface" vars) in
183
  let dirs = [] in
184
  let dirs = if dir1 = "" then dirs else dir1 :: dirs in
185
  print "ocaml sources... ";
186
187
  let rec loop = function
    | [] -> 
188
189
	print "not found (the interface will not be built)\n";
	None
190
    | d::dirs ->
191
192
193
	if check_mliface d then
	  (print ("found: " ^ d ^ "\n"); Some d)
	else loop dirs
194
195
  in
  loop dirs
196
  
197
let pxp = check_feature "pxp" (check_pkg "pxp")
198
199
let expat = check_feature "expat" (check_pkg "expat")
let curl = check_feature "curl" (check_pkg "curl")
200
let netclient = check_feature "netclient" (check_pkg "netclient")
201
202
203
204
let pxp_wlex = check_feature "pxp_wlex" (check_pkg "pxp-wlex-utf8")
let prefix = dir "prefix"
let bindir = dir ~def:(prefix^"/bin") "bindir"
let mandir = dir ~def:(prefix^"/man") "mandir"
205
let docdir = dir ~def:(prefix^"/doc/cduce") "docdir"
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
let wprefix = dir "wprefix"
let cgidir = dir ~def:(wprefix^"/cgi-bin") "cgidir"
let htmldir = dir ~def:(wprefix^"/html") "htmldir"
let sessiondir = dir "sessiondir"

let curl,netclient = 
  match curl,netclient with
    | true,true -> 
	warning "Both netclient and curl are available. Will use curl.";
	true,false
    | false,false ->
	warning "No package for loading external URLs.";
	false,false
    | c,n -> c,n

221
222
223
224
let pxp,expat = 
  match pxp,expat with
    | true,true -> 
	warning "Both PXP and expat are available. Will build both and use expat by default.";
225
	true,true
226
227
228
229
230
    | false,false ->
	warning "No package for parsing XML documents.";
	false,false
    | c,n -> c,n

231
let required_packages = ["camlp4"; "num"; "pcre"; "ulex"; "cgi"; "netstring"]
232
233
234

let () =
  List.iter need_pkg required_packages;
235
236
  if pxp then (
    need_pkg "pxp-engine";
237
    need_pkg "pxp-lex-iso88591";
238
239
    if not pxp_wlex then need_pkg "pxp-lex-utf8";
  );
240

241
  print "Creating Makefile.conf...\n";
242
243
244
245

  let out = open_out "Makefile.conf" in
  fprintf out "# This file has been generated by the configure script\n";
  fprintf out "NATIVE=%b\n" native;
246
  (match ml_interface with
247
248
    | Some d -> fprintf out "ML_INTERFACE=true\nOCAML_SRC=%s\n" d
    | None -> fprintf out "ML_INTERFACE=false\n");
249
  fprintf out "PXP=%b\n" pxp;
250
251
252
253
254
255
  fprintf out "EXPAT=%b\n" expat;
  fprintf out "CURL=%b\n" curl;
  fprintf out "NETCLIENT=%b\n" netclient;
  fprintf out "PXP_WLEX=%b\n" pxp_wlex;
  fprintf out "BINDIR=%s\n" bindir;
  fprintf out "MANDIR=%s\n" mandir;
256
  fprintf out "DOCDIR=%s\n" docdir;
257
258
259
260
261
262
  fprintf out "CGI_DIR=%s\n" cgidir;
  fprintf out "HTML_DIR=%s\n" htmldir;
  fprintf out "SESSION_DIR=%s\n" sessiondir;
  fprintf out "EXE=%s\n" exe;
  fprintf out "PROFILE=false\n";
  close_out out