forked from coq/coq
-
Notifications
You must be signed in to change notification settings - Fork 0
/
configure.ml
1262 lines (1061 loc) · 43 KB
/
configure.ml
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
(**********************************)
(** Configuration script for Coq *)
(**********************************)
(** This file should be run via: ocaml configure.ml <opts>
You could also use our wrapper ./configure <opts> *)
#load "unix.cma"
#load "str.cma"
open Printf
let coq_version = "8.12+alpha"
let coq_macos_version = "8.11.90" (** "[...] should be a string comprised of
three non-negative, period-separated integers [...]" *)
let vo_magic = 81191
let state_magic = 581191
let is_a_released_version = false
let distributed_exec =
["coqtop.opt"; "coqidetop.opt"; "coqqueryworker.opt"; "coqproofworker.opt"; "coqtacticworker.opt";
"coqc.opt";"coqchk";"coqdoc";"coqworkmgr";"coq_makefile";"coq-tex";"coqwc";"csdpcert";"coqdep";"votour"]
let verbose = ref false (* for debugging this script *)
let red, yellow, reset =
if Unix.isatty Unix.stdout && Unix.isatty Unix.stderr && Sys.os_type = "Unix"
then "\027[31m", "\027[33m", "\027[0m"
else "", "", ""
(** * Utility functions *)
let cfprintf oc = kfprintf (fun oc -> fprintf oc "\n%!") oc
let cprintf s = cfprintf stdout s
let ceprintf s = cfprintf stderr s
let die msg = ceprintf "%s%s%s\nConfiguration script failed!" red msg reset; exit 1
let warn s = kfprintf (fun oc -> cfprintf oc "%s" reset) stdout ("%sWarning: " ^^ s) yellow
let s2i = int_of_string
let i2s = string_of_int
let (/) x y = x ^ "/" ^ y
(** Remove the final '\r' that may exists on Win32 *)
let remove_final_cr s =
let n = String.length s in
if n<>0 && s.[n-1] = '\r' then String.sub s 0 (n-1)
else s
let check_exit_code (_,code) = match code with
| Unix.WEXITED 0 -> ()
| Unix.WEXITED 127 -> failwith "no such command"
| Unix.WEXITED n -> failwith ("exit code " ^ i2s n)
| Unix.WSIGNALED n -> failwith ("killed by signal " ^ i2s n)
| Unix.WSTOPPED n -> failwith ("stopped by signal " ^ i2s n)
(** As for Unix.close_process, our Unix.waipid will ignore all EINTR *)
let rec waitpid_non_intr pid =
try Unix.waitpid [] pid
with Unix.Unix_error (Unix.EINTR, _, _) -> waitpid_non_intr pid
(** Below, we'd better read all lines on a channel before closing it,
otherwise a SIGPIPE could be encountered by the sub-process *)
let read_lines_and_close fd =
let cin = Unix.in_channel_of_descr fd in
let lines = ref [] in
begin
try
while true do
lines := remove_final_cr (input_line cin) :: !lines
done
with End_of_file -> ()
end;
close_in cin;
let lines = List.rev !lines in
try List.hd lines, lines with Failure _ -> "", []
(** Run some unix command and read the first line of its output.
We avoid Unix.open_process and its non-fully-portable /bin/sh,
especially when it comes to quoting the filenames.
See open_process_pid in ide/coq.ml for more details.
Error messages:
- if err=StdErr, any error message goes in the stderr of our script.
- if err=StdOut, we merge stderr and stdout (just as 2>&1).
- if err=DevNull, we drop the error messages (same as 2>/dev/null). *)
type err = StdErr | StdOut | DevNull
let exe = ref "" (* Will be set later on, when the suffix is known *)
let run ?(fatal=true) ?(err=StdErr) prog args =
let prog = (* Ensure prog ends with exe *)
if Str.string_match (Str.regexp ("^.*" ^ !exe ^ "$")) prog 0
then prog else (prog ^ !exe) in
let argv = Array.of_list (prog::args) in
try
let out_r,out_w = Unix.pipe () in
let nul_r,nul_w = Unix.pipe () in
let () = Unix.set_close_on_exec out_r in
let () = Unix.set_close_on_exec nul_r in
let fd_err = match err with
| StdErr -> Unix.stderr
| StdOut -> out_w
| DevNull -> nul_w
in
let pid = Unix.create_process prog argv Unix.stdin out_w fd_err in
let () = Unix.close out_w in
let () = Unix.close nul_w in
let line, all = read_lines_and_close out_r in
let _ = read_lines_and_close nul_r in
let () = check_exit_code (waitpid_non_intr pid) in
line, all
with
| _ when not fatal && not !verbose -> "", []
| e ->
let cmd = String.concat " " (prog::args) in
let exn = match e with Failure s -> s | _ -> Printexc.to_string e in
let msg = sprintf "Error while running '%s' (%s)" cmd exn in
if fatal then die msg else (warn "%s" msg; "", [])
let tryrun prog args = run ~fatal:false ~err:DevNull prog args
(** Splitting a string at some character *)
let string_split c s =
let len = String.length s in
let rec split n =
try
let pos = String.index_from s n c in
let dir = String.sub s n (pos-n) in
dir :: split (succ pos)
with
| Not_found -> [String.sub s n (len-n)]
in
if len = 0 then [] else split 0
(** String prefix test : does [s1] starts with [s2] ? *)
let starts_with s1 s2 =
let l1 = String.length s1 and l2 = String.length s2 in
l2 <= l1 && s2 = String.sub s1 0 l2
(** Turn a version string such as "4.01.0+rc2" into the list
["4";"01";"1"], stopping at the first non-digit or "." *)
let numeric_prefix_list s =
let isnum c = (c = '.' || (c >= '0' && c <= '9')) in
let max = String.length s in
let i = ref 0 in
while !i < max && isnum s.[!i] do incr i done;
match string_split '.' (String.sub s 0 !i) with
| [v] -> [v;"0";"0"]
| [v1;v2] -> [v1;v2;"0"]
| [v1;v2;""] -> [v1;v2;"0"] (* e.g. because it ends with ".beta" *)
| v -> v
(** Combined existence and directory tests *)
let dir_exists f = Sys.file_exists f && Sys.is_directory f
(** Does a file exist and is executable ? *)
let is_executable f =
try let () = Unix.access f [Unix.X_OK] in true
with Unix.Unix_error _ -> false
(** Equivalent of rm -f *)
let safe_remove f =
try Unix.chmod f 0o644; Sys.remove f with _ -> ()
(** The PATH list for searching programs *)
let os_type_win32 = (Sys.os_type = "Win32")
let os_type_cygwin = (Sys.os_type = "Cygwin")
let global_path =
try string_split (if os_type_win32 then ';' else ':') (Sys.getenv "PATH")
with Not_found -> []
(** A "which" command. May raise [Not_found] *)
let which prog =
let rec search = function
| [] -> raise Not_found
| dir :: path ->
let file = if os_type_win32 then dir/prog^".exe" else dir/prog in
if is_executable file then file else search path
in search global_path
let program_in_path prog =
try let _ = which prog in true with Not_found -> false
let build_date =
try
float_of_string (Sys.getenv "SOURCE_DATE_EPOCH")
with
Not_found -> Unix.time ()
(** * Date *)
(** The short one is displayed when starting coqtop,
The long one is used as compile date *)
let months =
[| "January";"February";"March";"April";"May";"June";
"July";"August";"September";"October";"November";"December" |]
let get_date () =
let now = Unix.gmtime build_date in
let year = 1900+now.Unix.tm_year in
let month = months.(now.Unix.tm_mon) in
sprintf "%s %d" month year,
sprintf "%s %d %d %d:%02d:%02d" (String.sub month 0 3) now.Unix.tm_mday year
now.Unix.tm_hour now.Unix.tm_min now.Unix.tm_sec
let short_date, full_date = get_date ()
(** * Command-line parsing *)
type ide = Opt | Byte | No
type preferences = {
prefix : string option;
local : bool;
interactive : bool;
vmbyteflags : string option;
custom : bool option;
bindir : string option;
libdir : string option;
configdir : string option;
datadir : string option;
mandir : string option;
docdir : string option;
coqdocdir : string option;
ocamlfindcmd : string option;
arch : string option;
natdynlink : bool;
coqide : ide option;
macintegration : bool;
browser : string option;
withdoc : bool;
byteonly : bool;
flambda_flags : string list;
debug : bool;
profile : bool;
bin_annot : bool;
annot : bool;
bytecodecompiler : bool;
nativecompiler : bool;
coqwebsite : string;
force_caml_version : bool;
force_findlib_version : bool;
warn_error : bool;
}
module Profiles = struct
let default = {
prefix = None;
local = false;
interactive = true;
vmbyteflags = None;
custom = None;
bindir = None;
libdir = None;
configdir = None;
datadir = None;
mandir = None;
docdir = None;
coqdocdir = None;
ocamlfindcmd = None;
arch = None;
natdynlink = true;
coqide = None;
macintegration = true;
browser = None;
withdoc = false;
byteonly = false;
flambda_flags = [];
debug = true;
profile = false;
bin_annot = false;
annot = false;
bytecodecompiler = true;
nativecompiler = not (os_type_win32 || os_type_cygwin);
coqwebsite = "http://coq.inria.fr/";
force_caml_version = false;
force_findlib_version = false;
warn_error = false;
}
let devel state = { state with
local = true;
bin_annot = true;
annot = true;
warn_error = true;
}
let devel_doc = "-local -annot -bin-annot -warn-error yes"
let get = function
| "devel" -> devel
| s -> raise (Arg.Bad ("profile name expected instead of "^s))
let doc =
"<profile> Sets a bunch of flags. Supported profiles:
devel = " ^ devel_doc
end
let prefs = ref Profiles.default
(* Support don't ask *)
let cprintf x =
if !prefs.interactive
then cprintf x
else Printf.ifprintf stdout x
let get_bool = function
| "true" | "yes" | "y" | "all" -> true
| "false" | "no" | "n" -> false
| s -> raise (Arg.Bad ("boolean argument expected instead of "^s))
let get_ide = function
| "opt" -> Opt
| "byte" -> Byte
| "no" -> No
| s -> raise (Arg.Bad ("(opt|byte|no) argument expected instead of "^s))
let arg_bool f = Arg.String (fun s -> prefs := f !prefs (get_bool s))
let arg_string f = Arg.String (fun s -> prefs := f !prefs s)
let arg_string_option f = Arg.String (fun s -> prefs := f !prefs (Some s))
let arg_string_list c f = Arg.String (fun s -> prefs := f !prefs (string_split c s))
let arg_set f = Arg.Unit (fun () -> prefs := f !prefs true)
let arg_clear f = Arg.Unit (fun () -> prefs := f !prefs false)
let arg_set_option f = Arg.Unit (fun () -> prefs := f !prefs (Some true))
let arg_clear_option f = Arg.Unit (fun () -> prefs := f !prefs (Some false))
let arg_ide f = Arg.String (fun s -> prefs := f !prefs (Some (get_ide s)))
let arg_profile = Arg.String (fun s -> prefs := Profiles.get s !prefs)
(* TODO : earlier any option -foo was also available as --foo *)
let args_options = Arg.align [
"-prefix", arg_string_option (fun p prefix -> { p with prefix }),
"<dir> Set installation directory to <dir>";
"-local", arg_set (fun p local -> { p with local }),
" Set installation directory to the current source tree";
"-no-ask", arg_clear (fun p interactive -> { p with interactive }),
" Don't ask questions / print variables during configure [questions will be filled with defaults]";
"-vmbyteflags", arg_string_option (fun p vmbyteflags -> { p with vmbyteflags }),
"<flags> Comma-separated link flags for the VM of coqtop.byte";
"-custom", arg_set_option (fun p custom -> { p with custom }),
" Build bytecode executables with -custom (not recommended)";
"-no-custom", arg_clear_option (fun p custom -> { p with custom }),
" Do not build with -custom on Windows and MacOS";
"-bindir", arg_string_option (fun p bindir -> { p with bindir }),
"<dir> Where to install bin files";
"-libdir", arg_string_option (fun p libdir -> { p with libdir }),
"<dir> Where to install lib files";
"-configdir", arg_string_option (fun p configdir -> { p with configdir }),
"<dir> Where to install config files";
"-datadir", arg_string_option (fun p datadir -> { p with datadir }),
"<dir> Where to install data files";
"-mandir", arg_string_option (fun p mandir -> { p with mandir }),
"<dir> Where to install man files";
"-docdir", arg_string_option (fun p docdir -> { p with docdir }),
"<dir> Where to install doc files";
"-coqdocdir", arg_string_option (fun p coqdocdir -> { p with coqdocdir }),
"<dir> Where to install Coqdoc style files";
"-ocamlfind", arg_string_option (fun p ocamlfindcmd -> { p with ocamlfindcmd }),
"<dir> Specifies the ocamlfind command to use";
"-flambda-opts", arg_string_list ' ' (fun p flambda_flags -> { p with flambda_flags }),
"<flags> Specifies additional flags to be passed to the flambda optimizing compiler";
"-arch", arg_string_option (fun p arch -> { p with arch }),
"<arch> Specifies the architecture";
"-natdynlink", arg_bool (fun p natdynlink -> { p with natdynlink }),
"(yes|no) Use dynamic loading of native code or not";
"-coqide", arg_ide (fun p coqide -> { p with coqide }),
"(opt|byte|no) Specifies whether or not to compile CoqIDE";
"-nomacintegration", arg_clear (fun p macintegration -> { p with macintegration }),
" Do not try to build CoqIDE MacOS integration";
"-browser", arg_string_option (fun p browser -> { p with browser }),
"<command> Use <command> to open URL %s";
"-with-doc", arg_bool (fun p withdoc -> { p with withdoc }),
"(yes|no) Compile the documentation or not";
"-byte-only", arg_set (fun p byteonly -> { p with byteonly }),
" Compiles only bytecode version of Coq";
"-nodebug", arg_clear (fun p debug -> { p with debug }),
" Do not add debugging information in the Coq executables";
"-profiling", arg_set (fun p profile -> { p with profile }),
" Add profiling information in the Coq executables";
"-annotate", Arg.Unit (fun () -> die "-annotate has been removed. Please use -annot or -bin-annot instead."),
" Removed option. Please use -annot or -bin-annot instead";
"-annot", arg_set (fun p annot -> { p with annot }),
" Dumps ml text annotation files while compiling Coq (e.g. for Tuareg)";
"-bin-annot", arg_set (fun p bin_annot -> { p with bin_annot }),
" Dumps ml binary annotation files while compiling Coq (e.g. for Merlin)";
"-bytecode-compiler", arg_bool (fun p bytecodecompiler -> { p with bytecodecompiler }),
"(yes|no) Enable Coq's bytecode reduction machine (VM)";
"-native-compiler", arg_bool (fun p nativecompiler -> { p with nativecompiler }),
"(yes|no) Compilation to native code for conversion and normalization";
"-coqwebsite", arg_string (fun p coqwebsite -> { p with coqwebsite }),
" URL of the coq website";
"-force-caml-version", arg_set (fun p force_caml_version -> { p with force_caml_version }),
" Force OCaml version";
"-force-findlib-version", arg_set (fun p force_findlib_version -> { p with force_findlib_version }),
" Force findlib version";
"-warn-error", arg_bool (fun p warn_error -> { p with warn_error }),
"(yes|no) Make OCaml warnings into errors (default no)";
"-camldir", Arg.String (fun _ -> ()),
"<dir> Specifies path to 'ocaml' for running configure script";
"-profile", arg_profile,
Profiles.doc
]
let parse_args () =
Arg.parse
args_options
(fun s -> raise (Arg.Bad ("Unknown option: "^s)))
"Available options for configure are:";
if !prefs.local && !prefs.prefix <> None then
die "Options -prefix and -local are incompatible."
let _ = parse_args ()
(** Default OCaml binaries *)
type camlexec =
{ mutable find : string;
mutable top : string;
mutable lex : string;
mutable yacc : string;
}
let camlexec =
{ find = "ocamlfind";
top = "ocaml";
lex = "ocamllex";
yacc = "ocamlyacc";
}
let reset_caml_lex c o = c.lex <- o
let reset_caml_yacc c o = c.yacc <- o
let reset_caml_top c o = c.top <- o
let reset_caml_find c o = c.find <- o
let coq_debug_flag = if !prefs.debug then "-g" else ""
let coq_profile_flag = if !prefs.profile then "-p" else ""
let coq_annot_flag = if !prefs.annot then "-annot" else ""
let coq_bin_annot_flag = if !prefs.bin_annot then "-bin-annot" else ""
(* This variable can be overridden only for debug purposes, use with
care. *)
let coq_safe_string = "-safe-string"
let coq_strict_sequence = "-strict-sequence"
(** * Architecture *)
let arch_progs =
[("/bin/uname",["-s"]);
("/usr/bin/uname",["-s"]);
("/bin/arch", []);
("/usr/bin/arch", []);
("/usr/ucb/arch", []) ]
let query_arch () =
cprintf "I can not automatically find the name of your architecture.";
cprintf "Give me a name, please [win32 for Win95, Win98 or WinNT]: %!";
read_line ()
let rec try_archs = function
| (prog,args)::rest when is_executable prog ->
let arch, _ = tryrun prog args in
if arch <> "" then arch else try_archs rest
| _ :: rest -> try_archs rest
| [] -> query_arch ()
let arch = match !prefs.arch with
| Some a -> a
| None ->
let arch,_ = tryrun "uname" ["-s"] in
if starts_with arch "CYGWIN" then "win32"
else if starts_with arch "MINGW32" then "win32"
else if arch <> "" then arch
else try_archs arch_progs
(** NB: [arch_is_win32] is broader than [os_type_win32], cf. cygwin *)
let arch_is_win32 = (arch = "win32")
let exe = exe := if arch_is_win32 then ".exe" else ""; !exe
let dll = if os_type_win32 then ".dll" else ".so"
(** * Git Precommit Hook *)
let _ =
let f = ".git/hooks/pre-commit" in
if dir_exists ".git/hooks" && not (Sys.file_exists f) then begin
cprintf "Creating pre-commit hook in %s" f;
let o = open_out f in
let pr s = fprintf o s in
pr "#!/bin/sh\n";
pr "\n";
pr "if [ -x dev/tools/pre-commit ]; then\n";
pr " exec dev/tools/pre-commit\n";
pr "fi\n";
close_out o;
Unix.chmod f 0o775
end
(** * Browser command *)
let browser =
match !prefs.browser with
| Some b -> b
| None when arch_is_win32 -> "start %s"
| None when arch = "Darwin" -> "open %s"
| _ -> "firefox -remote \"OpenURL(%s,new-tab)\" || firefox %s &"
(** * OCaml programs *)
let camlbin, caml_version, camllib, findlib_version =
let () = match !prefs.ocamlfindcmd with
| Some cmd -> reset_caml_find camlexec cmd
| None ->
try reset_caml_find camlexec (which camlexec.find)
with Not_found ->
die (sprintf "Error: cannot find '%s' in your path!\n" camlexec.find ^
"Please adjust your path or use the -ocamlfind option of ./configure")
in
if not (is_executable camlexec.find)
then die ("Error: cannot find the executable '"^camlexec.find^"'.")
else
let findlib_version, _ = run camlexec.find ["query"; "findlib"; "-format"; "%v"] in
let caml_version, _ = run camlexec.find ["ocamlc";"-version"] in
let camllib, _ = run camlexec.find ["printconf";"stdlib"] in
let camlbin = (* TODO beurk beurk beurk *)
Filename.dirname (Filename.dirname camllib) / "bin/" in
let () =
if is_executable (camlbin / "ocamllex")
then reset_caml_lex camlexec (camlbin / "ocamllex") in
let () =
if is_executable (camlbin / "ocamlyacc")
then reset_caml_yacc camlexec (camlbin / "ocamlyacc") in
let () =
if is_executable (camlbin / "ocaml")
then reset_caml_top camlexec (camlbin / "ocaml") in
camlbin, caml_version, camllib, findlib_version
(** Caml version as a list of string, e.g. ["4";"00";"1"] *)
let caml_version_list = numeric_prefix_list caml_version
(** Same, with integers in the version list *)
let caml_version_nums =
try
if List.length caml_version_list < 2 then failwith "bad version";
List.map s2i caml_version_list
with _ ->
die ("I found the OCaml compiler but cannot read its version number!\n" ^
"Is it installed properly?")
let check_caml_version () =
if caml_version_nums >= [4;5;0] then
cprintf "You have OCaml %s. Good!" caml_version
else
let () = cprintf "Your version of OCaml is %s." caml_version in
if !prefs.force_caml_version then
warn "Your version of OCaml is outdated."
else
die "You need OCaml 4.05.0 or later."
let _ = check_caml_version ()
let findlib_version_list = numeric_prefix_list findlib_version
let findlib_version_nums =
try
if List.length findlib_version_list < 2 then failwith "bad version";
List.map s2i findlib_version_list
with _ ->
die ("I found ocamlfind but cannot read its version number!\n" ^
"Is it installed properly?")
let check_findlib_version () =
if findlib_version_nums >= [1;4;1] then
cprintf "You have OCamlfind %s. Good!" findlib_version
else
let () = cprintf "Your version of OCamlfind is %s." findlib_version in
if !prefs.force_findlib_version then
warn "Your version of OCamlfind is outdated."
else
die "You need OCamlfind 1.4.1 or later."
let _ = check_findlib_version ()
let camltag = match caml_version_list with
| x::y::_ -> "OCAML"^x^y
| _ -> assert false
(** Explanation of disabled warnings:
4: fragile pattern matching: too common in the code and too annoying to avoid in general
9: missing fields in a record pattern: too common in the code and not worth the bother
27: innocuous unused variable: innocuous
41: ambiguous constructor or label: too common
42: disambiguated counstructor or label: too common
44: "open" shadowing already defined identifier: too common, especially when some are aliases
45: "open" shadowing a label or constructor: see 44
48: implicit elimination of optional arguments: too common
58: "no cmx file was found in path": See https://github.com/ocaml/num/issues/9
*)
let coq_warnings = "-w +a-4-9-27-41-42-44-45-48-58"
let coq_warn_error =
if !prefs.warn_error
then "-warn-error +a"
else ""
(* Flags used to compile Coq and plugins (via coq_makefile) *)
let caml_flags =
Printf.sprintf "-thread -rectypes %s %s %s %s %s" coq_warnings coq_annot_flag coq_bin_annot_flag coq_safe_string coq_strict_sequence
(* Flags used to compile Coq but _not_ plugins (via coq_makefile) *)
let coq_caml_flags =
coq_warn_error
let shorten_camllib s =
if starts_with s (camllib^"/") then
let l = String.length camllib + 1 in
"+" ^ String.sub s l (String.length s - l)
else s
(** * Native compiler *)
let msg_byteonly =
"Only the bytecode version of Coq will be available."
let msg_no_ocamlopt () =
warn "Cannot find the OCaml native-code compiler.\n%s" msg_byteonly
let msg_no_dynlink_cmxa () =
warn "Cannot find native-code dynlink library.\n%s" msg_byteonly;
cprintf "For building a native-code Coq, you may try to first";
cprintf "compile and install a dummy dynlink.cmxa (see dev/dynlink.ml)";
cprintf "and then run ./configure -natdynlink no"
let check_native () =
let () = if !prefs.byteonly then raise Not_found in
let version, _ = tryrun camlexec.find ["opt";"-version"] in
if version = "" then let () = msg_no_ocamlopt () in raise Not_found
else if fst (tryrun camlexec.find ["query";"dynlink"]) = ""
then let () = msg_no_dynlink_cmxa () in raise Not_found
else
let () =
if version <> caml_version then
warn "Native and bytecode compilers do not have the same version!"
in cprintf "You have native-code compilation. Good!"
let best_compiler =
try check_native (); "opt" with Not_found -> "byte"
(** * Native dynlink *)
let hasnatdynlink = !prefs.natdynlink && best_compiler = "opt"
let natdynlinkflag =
if hasnatdynlink then "true" else "false"
(** * OS dependent libraries *)
let operating_system =
if starts_with arch "sun4" then
let os, _ = run "uname" ["-r"] in
if starts_with os "5" then
"Sun Solaris "^os
else
"Sun OS "^os
else
(try Sys.getenv "OS" with Not_found -> "")
(** Num library *)
(* since 4.06, the Num library is no longer distributed with OCaml (replaced
by Zarith)
*)
let check_for_numlib () =
if caml_version_nums >= [4;6;0] then
let numlib,_ = tryrun camlexec.find ["query";"num"] in
match numlib with
| "" ->
die "Num library not installed, required for OCaml 4.06 or later"
| _ -> cprintf "You have the Num library installed. Good!"
let numlib =
check_for_numlib ()
(** * lablgtk3 and CoqIDE *)
(** Detect and/or verify the Lablgtk3 location *)
let get_lablgtkdir () =
tryrun camlexec.find ["query";"lablgtk3-sourceview3"]
(** Detect and/or verify the Lablgtk2 version *)
let check_lablgtk_version () =
let v, _ = tryrun camlexec.find ["query"; "-format"; "%v"; "lablgtk3"] in
(true, v)
(* ejgallego: we wait to do version checks until an official release is out *)
(* try
let vi = numeric_prefix_list v in
(* Temporary hack *)
if vi = ["3";"0";"beta3"] then (false, v) else
let vi = List.map s2i vi in
if vi < [3; 0; 0] then
(false, v)
else
(true, v)
with _ -> (false, v)
*)
let pr_ide = function No -> "no" | Byte -> "only bytecode" | Opt -> "native"
exception Ide of ide
(** If the user asks an impossible coqide, we abort the configuration *)
let set_ide ide msg = match ide, !prefs.coqide with
| No, Some (Byte|Opt)
| Byte, Some Opt -> die (msg^":\n=> cannot build requested CoqIde")
| _ ->
cprintf "%s:\n=> %s CoqIde will be built." msg (pr_ide ide);
raise (Ide ide)
let lablgtkdir = ref ""
(** Which CoqIde is possible ? Which one is requested ?
This function also sets the lablgtkdir reference in case of success. *)
let check_coqide () =
if !prefs.coqide = Some No then set_ide No "CoqIde manually disabled";
let dir, via = get_lablgtkdir () in
if dir = ""
then set_ide No "LablGtk3 not found"
else
let (ok, version) = check_lablgtk_version () in
let found = sprintf "LablGtk3 found (%s)" version in
if not ok then set_ide No (found^", but too old (required >= 3.0, found " ^ version ^ ")");
(* We're now sure to produce at least one kind of coqide *)
lablgtkdir := shorten_camllib dir;
if !prefs.coqide = Some Byte then set_ide Byte (found^", bytecode requested");
if best_compiler <> "opt" then set_ide Byte (found^", but no native compiler");
if not (Sys.file_exists (camllib/"threads"/"threads.cmxa")) then
set_ide Byte (found^", but no native threads");
set_ide Opt (found^", with native threads")
let coqide =
try check_coqide ()
with Ide Opt -> "opt" | Ide Byte -> "byte" | Ide No -> "no"
(** System-specific CoqIde flags *)
let idearchflags = ref ""
let idearchfile = ref ""
let idecdepsflags = ref ""
let idearchdef = ref "X11"
let coqide_flags () =
match coqide, arch with
| "opt", "Darwin" when !prefs.macintegration ->
let osxdir,_ = tryrun camlexec.find ["query";"lablgtkosx"] in
if osxdir <> "" then begin
idearchflags := "lablgtkosx.cma";
idearchdef := "QUARTZ"
end
| "opt", "win32" ->
idearchfile := "ide/ide_win32_stubs.o ide/coq_icon.o";
idecdepsflags := "-custom";
idearchflags := "-ccopt '-subsystem windows'";
idearchdef := "WIN32"
| _, "win32" ->
idearchflags := "-ccopt '-subsystem windows'";
idearchdef := "WIN32"
| _ -> ()
let _ = coqide_flags ()
(** * strip command *)
let strip =
if arch = "Darwin" then
if hasnatdynlink then "true" else "strip"
else
if !prefs.profile || !prefs.debug then "true" else begin
let _, all = run camlexec.find ["ocamlc";"-config"] in
let strip = String.concat "" (List.map (fun l ->
match string_split ' ' l with
| "ranlib:" :: cc :: _ -> (* on windows, we greb the right strip *)
Str.replace_first (Str.regexp "ranlib") "strip" cc
| _ -> ""
) all) in
if strip = "" then "strip" else strip
end
(** * Documentation : do we have latex, hevea, ... *)
let check_sphinx_deps () =
ignore (run (which "python3") ["doc/tools/coqrst/checkdeps.py"])
let check_doc () =
let err s =
die (sprintf "A documentation build was requested, but %s was not found." s);
in
if not (program_in_path "python3") then err "python3";
if not (program_in_path "sphinx-build") then err "sphinx-build";
check_sphinx_deps ()
let _ = if !prefs.withdoc then check_doc ()
(** * Installation directories : bindir, libdir, mandir, docdir, etc *)
let coqtop = Sys.getcwd ()
let unix = os_type_cygwin || not arch_is_win32
(** Variable name, description, ref in prefs, default dir, prefix-relative *)
type path_style =
| Absolute of string (* Should start with a "/" *)
| Relative of string (* Should not start with a "/" *)
let install = [
"BINDIR", "the Coq binaries", !prefs.bindir,
Relative "bin", Relative "bin", Relative "bin";
"COQLIBINSTALL", "the Coq library", !prefs.libdir,
Relative "lib", Relative "lib/coq", Relative "";
"CONFIGDIR", "the Coqide configuration files", !prefs.configdir,
Relative "config", Absolute "/etc/xdg/coq", Relative "ide";
"DATADIR", "the Coqide data files", !prefs.datadir,
Relative "share", Relative "share/coq", Relative "ide";
"MANDIR", "the Coq man pages", !prefs.mandir,
Relative "man", Relative "share/man", Relative "man";
"DOCDIR", "the Coq documentation", !prefs.docdir,
Relative "doc", Relative "share/doc/coq", Relative "doc";
"COQDOCDIR", "the Coqdoc LaTeX files", !prefs.coqdocdir,
Relative "latex", Relative "share/texmf/tex/latex/misc", Relative "tools/coqdoc";
]
let strip_trailing_slash_if_any p =
if p.[String.length p - 1] = '/' then String.sub p 0 (String.length p - 1) else p
let use_suffix prefix = function
| Relative "" -> prefix
| Relative suff -> prefix ^ "/" ^ suff
| Absolute path -> path
let relativize = function
(* Turn a global layout based on some prefix to a relative layout *)
| Relative _ as suffix -> suffix
| Absolute path -> Relative (String.sub path 1 (String.length path - 1))
let find_suffix prefix path = match prefix with
| None -> Absolute path
| Some p ->
let p = strip_trailing_slash_if_any p in
let lpath = String.length path in
let lp = String.length p in
if lpath > lp && String.sub path 0 lp = p then
Relative (String.sub path (lp+1) (lpath - lp - 1))
else
Absolute path
let do_one_instdir (var,msg,uservalue,selfcontainedlayout,unixlayout,locallayout) =
let dir,suffix =
if !prefs.local then (use_suffix coqtop locallayout,locallayout)
else
let env_prefix =
match !prefs.prefix with
| None ->
begin
try Some (Sys.getenv "COQ_CONFIGURE_PREFIX")
with
| Not_found when !prefs.interactive -> None
| Not_found -> Some Sys.(getcwd () ^ "/../install/default")
end
| p -> p
in match uservalue, env_prefix with
| Some d, p -> d,find_suffix p d
| _, Some p ->
let suffix = if arch_is_win32 then selfcontainedlayout else relativize unixlayout in
use_suffix p suffix, suffix
| _, p ->
let suffix = if unix then unixlayout else selfcontainedlayout in
let base = if unix then "/usr/local" else "C:/coq" in
let dflt = use_suffix base suffix in
let () = printf "Where should I install %s [%s]? " msg dflt in
let line = read_line () in
if line = "" then (dflt,suffix) else (line,find_suffix p line)
in (var,msg,dir,suffix)
let install_dirs = List.map do_one_instdir install
let select var = List.find (fun (v,_,_,_) -> v=var) install_dirs
let coqlib,coqlibsuffix = let (_,_,d,s) = select "COQLIBINSTALL" in d,s
let docdir,docdirsuffix = let (_,_,d,s) = select "DOCDIR" in d,s
let configdir,configdirsuffix = let (_,_,d,s) = select "CONFIGDIR" in d,s
let datadir,datadirsuffix = let (_,_,d,s) = select "DATADIR" in d,s
(** * CC runtime flags *)
let cflags_dflt = "-Wall -Wno-unused -g -O2 -fexcess-precision=standard"
let cflags_sse2 = "-msse2 -mfpmath=sse"
let cflags, sse2_math =
let _, slurp =
(* Test SSE2_MATH support <https://stackoverflow.com/a/45667927> *)
tryrun camlexec.find
["ocamlc"; "-ccopt"; cflags_dflt ^ " -march=native -dM -E " ^ cflags_sse2;
"-c"; coqtop/"dev/header.c"] in (* any file *)
if List.exists (fun line -> starts_with line "#define __SSE2_MATH__ 1") slurp
then (cflags_dflt ^ " " ^ cflags_sse2, true)
else (cflags_dflt, false)
(** Test at configure time that no harmful double rounding seems to
be performed with an intermediate 80-bit representation (x87).
If this test fails but SSE2_MATH is available, the build can go
further as Coq's primitive floats will use it through a dedicated
external C implementation (instead of relying on OCaml operations)
If this test fails and SSE2_MATH is not available, abort.
*)
let () =
let add = (+.) in
let b = ldexp 1. 53 in
let s = add 1. (ldexp 1. (-52)) in
if (add b s <= b || add b 1. <> b || ldexp 1. (-1074) <= 0.)
&& not sse2_math then
die "Detected non IEEE-754 compliant architecture (or wrong \
rounding mode). Use of Float is thus unsafe."
(** * OCaml runtime flags *)
(** Do we use -custom (yes by default on Windows and MacOS) *)
let custom_os = arch_is_win32 || arch = "Darwin"
let use_custom = match !prefs.custom with
| Some b -> b
| None -> custom_os
let custom_flag = if use_custom then "-custom" else ""
let build_loadpath =
ref "# you might want to set CAML_LD_LIBRARY_PATH by hand!"
let config_runtime () =
match !prefs.vmbyteflags with
| Some flags -> string_split ',' flags
| _ when use_custom -> [custom_flag]
| _ when !prefs.local ->
["-dllib";"-lcoqrun";"-dllpath";coqtop/"kernel/byterun"]
| _ ->
let ld="CAML_LD_LIBRARY_PATH" in
build_loadpath := sprintf "export %s:='%s/kernel/byterun':$(%s)" ld coqtop ld;
["-dllib";"-lcoqrun";"-dllpath";coqlib/"kernel/byterun"]
let vmbyteflags = config_runtime ()
let esc s = if String.contains s ' ' then "\"" ^ s ^ "\"" else s
(** * Summary of the configuration *)
let print_summary () =
let pr s = printf s in
pr "\n";
pr " Architecture : %s\n" arch;
if operating_system <> "" then
pr " Operating system : %s\n" operating_system;
pr " Sys.os_type : %s\n" Sys.os_type;
pr " Coq VM bytecode link flags : %s\n" (String.concat " " vmbyteflags);
pr " Other bytecode link flags : %s\n" custom_flag;
pr " OCaml version : %s\n" caml_version;
pr " OCaml binaries in : %s\n" (esc camlbin);