cgi-bin/viewcvs.cgi/configure.ml

(*
#use "topfind";;
#require "findlib";;
*)

open Printf

let not_distrib = Sys.file_exists "Makefile.distrib"

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]
 pxp                   support for the PXP XML parser
 expat                 support for the expat XML parser
 curl                  support for the libcurl library
 netclient             support for the netclient library

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

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]
 --docdir=DIR          install the rest of the doc in DIR [PREFIX/doc/cduce]
";
if not_distrib then print_string "
 --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;
    "pxp", ref `auto;
    "expat", ref `auto;
    "curl", ref `auto;
    "netclient", ref `auto;
    "pxp_wlex", ref `no ]
  
let vars = 
  [ "prefix", ref "/usr/local";
    "bindir", ref "";
    "mandir", ref "";
    "docdir", ref "";

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

    "sessiondir", ref "/tmp/cduce_sessions";
    "mliface", ref ""
  ]


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

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

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 () =
  print_endline "Configuring CDuce for compilation...\n";
  (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

let check_feature f p =
  printf "%s: " f;
  match !(List.assoc f features) with
    | `no -> 
        print "disabled\n"; false
    | `yes -> 
        print "checking... ";
        if p () 
        then (print "ok\n"; true) 
        else (print "failed !\n"; fatal "Required feature is not available")
    | `auto -> 
        print "autodetecting... ";
        if p () 
        then (print "enabled\n"; true)
        else (print "disabled\n"; false)

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

let check_pkg p () =
  try
(*    ignore (Findlib.package_property
      [ (if native then "native" else "bytecode") ]
      p "archive"); *)
    command 
      (sprintf 
         "ocamlfind ocaml%s -package %s -linkpkg -o configure.try && rm -f configure.try"
         (if native then "opt" else "c")
         p)
  with Not_found -> false

let need_pkg p =
  printf "Checking for package %s... " p; flush stdout;
  if not (check_pkg p ()) 
  then (print "failed !\n"; fatal "Required package is not available")
  else (print "ok\n")

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)


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

let check_mliface dir =
  log ("Looking for ocaml modules in " ^ dir);
  let file = if native then "types.cmx" else "types.cmo" in
  if Sys.file_exists (Filename.concat dir file) 
  then `flat
  else
    if Sys.file_exists 
      (Filename.concat (Filename.concat dir "typing") file) then
        `tree
    else
      `not_found

let ocaml_stdlib () =
  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
  let s = input_line ic in
  close_in ic;
  Sys.remove "ocaml_stdlib";
  s

let ml_interface = 
  let dir1 = !(List.assoc "mliface" vars) in
  let dirs = 
    let std = ocaml_stdlib () in
    Filename.concat (Filename.chop_suffix std "std-lib") "compiler-lib" :: 
          (* GODI *)
    Filename.concat std "compiler-libs" :: (* Debian *)
    src_dirs in
  let dirs = if dir1 = "" then dirs else dir1 :: dirs in
  print "Looking for ocaml compiler modules ...";
  let rec loop = function
    | [] -> 
        print "not found\n";
        `no
    | d::dirs ->
        match check_mliface d with
          | `flat -> print ("flat model: " ^ d ^ "\n"); `flat d
          | `tree -> print ("tree model: " ^ d ^ "\n"); `tree d
          | `not_found -> loop dirs
  in
  loop dirs

  
let pxp = check_feature "pxp" (check_pkg "pxp")
let expat = check_feature "expat" (check_pkg "expat")
let curl = check_feature "curl" (check_pkg "curl")
let netclient = check_feature "netclient" (check_pkg "netclient")
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"
let docdir = dir ~def:(prefix^"/doc/cduce") "docdir"
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

let pxp,expat = 
  match pxp,expat with
    | true,true -> 
        warning "Both PXP and expat are available. Will build both and use expat by default.";
        true,true
    | false,false ->
        warning "No package for parsing XML documents.";
        false,false
    | c,n -> c,n

let required_packages = ["camlp4"; "num"; "pcre"; "ulex"; "cgi"; "netstring"]

let () =
  List.iter need_pkg required_packages;
  if pxp then (
    need_pkg "pxp-engine";
    need_pkg "pxp-lex-iso88591";
    if not pxp_wlex then need_pkg "pxp-lex-utf8";
  );

  print "Creating Makefile.conf...\n";

  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;
  (match ml_interface with
    | `no -> fprintf out "ML_INTERFACE=false\n"
    | `flat d -> fprintf out "ML_INTERFACE=flat\nML_MODULES=%s\n" d
    | `tree d -> fprintf out "ML_INTERFACE=tree\nML_MODULES=%s\n" d);
  fprintf out "PXP=%b\n" pxp;
  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;
  fprintf out "DOCDIR=%s\n" docdir;
  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
1	(*
2	#use "topfind";;
3	#require "findlib";;
4	*)
5
6	open Printf
7
8	let not_distrib = Sys.file_exists "Makefile.distrib"
9
10	let usage () =
11	print_string "\
12	Configuration of CDuce.
13
14	Usage: ./configure [OPTION]...
15
16	Defaults for the options are specified in brackets.
17
18	Options:
19	--help display this help and exit
20
21	Optional features:
22	--with-FEATURE force support for FEATURE [default: autodetect]
23	--without-FEATURE disable support for FEATURE [default: autodetect]
24
25	Available features:
26	ocamlopt use ocamlopt instead of ocamlc to build CDuce
27	pxp_wlex use wlexers for parsing utf8 with PXP [default: false]
28	pxp support for the PXP XML parser
29	expat support for the expat XML parser
30	curl support for the libcurl library
31	netclient support for the netclient library
32
33	OCaml/CDuce interface:
34	--mliface=DIR build the interface with the OCaml sources in DIR
35
36	Installation directories:
37	--prefix=PREFIX install files in PREFIX [/usr/local]
38	--bindir=DIR install user executables in DIR [PREFIX/bin]
39	--mandir=DIR install man documentation in DIR [PREFIX/man]
40	--docdir=DIR install the rest of the doc in DIR [PREFIX/doc/cduce]
41	";
42	if not_distrib then print_string "
43	--wprefix=WPREFIX root directory of the web-server [/var/www]
44	--cgidir=DIR install the cgi-bin interpreter in DIR [WPREFIX/cgi-bin]
45	--htmldir=DIR install the website in DIR [WPREFIX/html]
46	--sessiondir=DIR store the open sessions of the cgi-bin in DIR
47	[/tmp/cduce_sessions]
48	"
49
50	let features =
51	[ "ocamlopt", ref `auto;
52	"mliface", ref `auto;
53	"pxp", ref `auto;
54	"expat", ref `auto;
55	"curl", ref `auto;
56	"netclient", ref `auto;
57	"pxp_wlex", ref `no ]
58
59	let vars =
60	[ "prefix", ref "/usr/local";
61	"bindir", ref "";
62	"mandir", ref "";
63	"docdir", ref "";
64
65	"wprefix", ref "/var/www";
66	"cgidir", ref "";
67	"htmldir", ref "";
68
69	"sessiondir", ref "/tmp/cduce_sessions";
70	"mliface", ref ""
71	]
72
73
74	let src_dirs = ["/usr/src"; "/usr/local/src"; "/tmp"]
75
76	let fatal s = printf "*** Fatal error: %s\n" s; exit 1
77	let warning s = printf "* Warning: %s\n" s
78
79	let log s =
80	let oc = open_out_gen [ Open_append; Open_creat ] 0o600 "configure.log" in
81	output_string oc s;
82	output_char oc '\n';
83	close_out oc;
84	flush stdout
85
86	let command s =
87	log ("==> " ^ s);
88	Sys.command (sprintf "%s 2>> configure.log" s) = 0
89
90	let start_with s p =
91	let ls = String.length s and lp = String.length p in
92	if (ls >= lp) && (String.sub s 0 lp = p)
93	then Some (String.sub s lp (ls - lp)) else None
94
95	let parse_arg s =
96	if s = "--help" then (usage (); exit 0)
97	else
98	match start_with s "--with-" with
99	\| Some f -> (List.assoc f features) := `yes
100	\| None ->
101	match start_with s "--without-" with
102	\| Some f -> (List.assoc f features) := `no
103	\| None ->
104	let i = String.index s '=' in
105	if i < 2 then raise Not_found;
106	let n = String.sub s 2 (i - 2) in
107	let v = String.sub s (succ i) (String.length s - i - 1) in
108	(List.assoc n vars) := v
109
110	let () =
111	print_endline "Configuring CDuce for compilation...\n";
112	(try for i = 1 to Array.length Sys.argv - 1 do parse_arg Sys.argv.(i) done
113	with Not_found -> usage (); fatal "Incorrect command line");
114	(try Sys.remove "configure.log" with Sys_error _ -> ());
115	ignore (Sys.command "uname -a >> configure.log")
116
117	let print s = print_string s; flush stdout
118
119	let check_feature f p =
120	printf "%s: " f;
121	match !(List.assoc f features) with
122	\| `no ->
123	print "disabled\n"; false
124	\| `yes ->
125	print "checking... ";
126	if p ()
127	then (print "ok\n"; true)
128	else (print "failed !\n"; fatal "Required feature is not available")
129	\| `auto ->
130	print "autodetecting... ";
131	if p ()
132	then (print "enabled\n"; true)
133	else (print "disabled\n"; false)
134
135	let native =
136	check_feature "ocamlopt" (fun () -> command "ocamlfind ocamlopt")
137
138	let check_pkg p () =
139	try
140	(* ignore (Findlib.package_property
141	[ (if native then "native" else "bytecode") ]
142	p "archive"); *)
143	command
144	(sprintf
145	"ocamlfind ocaml%s -package %s -linkpkg -o configure.try && rm -f configure.try"
146	(if native then "opt" else "c")
147	p)
148	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	then (print "failed !\n"; fatal "Required package is not available")
154	else (print "ok\n")
155
156	let dir ?def d =
157	let s = !(List.assoc d vars) in
158	if s <> "" then s
159	else match def with
160	\| Some x -> x
161	\| None -> fatal (sprintf "%s cannot be empty" d)
162
163
164	let exe = match Sys.os_type with
165	\| "Cygwin" ->
166	print "Cygwin detected... executable will have .exe extension"; ".exe"
167	\| _ -> ""
168
169	let check_mliface dir =
170	log ("Looking for ocaml modules in " ^ dir);
171	let file = if native then "types.cmx" else "types.cmo" in
172	if Sys.file_exists (Filename.concat dir file)
173	then `flat
174	else
175	if Sys.file_exists
176	(Filename.concat (Filename.concat dir "typing") file) then
177	`tree
178	else
179	`not_found
180
181	let ocaml_stdlib () =
182	if (Sys.command "ocamlc -where > ocaml_stdlib" <> 0) then
183	fatal "Can't run ocamlc to get OCaml standard library path";
184	let ic = open_in "ocaml_stdlib" in
185	let s = input_line ic in
186	close_in ic;
187	Sys.remove "ocaml_stdlib";
188	s
189
190	let ml_interface =
191	let dir1 = !(List.assoc "mliface" vars) in
192	let dirs =
193	let std = ocaml_stdlib () in
194	Filename.concat (Filename.chop_suffix std "std-lib") "compiler-lib" ::
195	(* GODI *)
196	Filename.concat std "compiler-libs" :: (* Debian *)
197	src_dirs in
198	let dirs = if dir1 = "" then dirs else dir1 :: dirs in
199	print "Looking for ocaml compiler modules ...";
200	let rec loop = function
201	\| [] ->
202	print "not found\n";
203	`no
204	\| d::dirs ->
205	match check_mliface d with
206	\| `flat -> print ("flat model: " ^ d ^ "\n"); `flat d
207	\| `tree -> print ("tree model: " ^ d ^ "\n"); `tree d
208	\| `not_found -> loop dirs
209	in
210	loop dirs
211
212
213	let pxp = check_feature "pxp" (check_pkg "pxp")
214	let expat = check_feature "expat" (check_pkg "expat")
215	let curl = check_feature "curl" (check_pkg "curl")
216	let netclient = check_feature "netclient" (check_pkg "netclient")
217	let pxp_wlex = check_feature "pxp_wlex" (check_pkg "pxp-wlex-utf8")
218	let prefix = dir "prefix"
219	let bindir = dir ~def:(prefix^"/bin") "bindir"
220	let mandir = dir ~def:(prefix^"/man") "mandir"
221	let docdir = dir ~def:(prefix^"/doc/cduce") "docdir"
222	let wprefix = dir "wprefix"
223	let cgidir = dir ~def:(wprefix^"/cgi-bin") "cgidir"
224	let htmldir = dir ~def:(wprefix^"/html") "htmldir"
225	let sessiondir = dir "sessiondir"
226
227	let curl,netclient =
228	match curl,netclient with
229	\| true,true ->
230	warning "Both netclient and curl are available. Will use curl.";
231	true,false
232	\| false,false ->
233	warning "No package for loading external URLs.";
234	false,false
235	\| c,n -> c,n
236
237	let pxp,expat =
238	match pxp,expat with
239	\| true,true ->
240	warning "Both PXP and expat are available. Will build both and use expat by default.";
241	true,true
242	\| false,false ->
243	warning "No package for parsing XML documents.";
244	false,false
245	\| c,n -> c,n
246
247	let required_packages = ["camlp4"; "num"; "pcre"; "ulex"; "cgi"; "netstring"]
248
249	let () =
250	List.iter need_pkg required_packages;
251	if pxp then (
252	need_pkg "pxp-engine";
253	need_pkg "pxp-lex-iso88591";
254	if not pxp_wlex then need_pkg "pxp-lex-utf8";
255	);
256
257	print "Creating Makefile.conf...\n";
258
259	let out = open_out "Makefile.conf" in
260	fprintf out "# This file has been generated by the configure script\n";
261	fprintf out "NATIVE=%b\n" native;
262	(match ml_interface with
263	\| `no -> fprintf out "ML_INTERFACE=false\n"
264	\| `flat d -> fprintf out "ML_INTERFACE=flat\nML_MODULES=%s\n" d
265	\| `tree d -> fprintf out "ML_INTERFACE=tree\nML_MODULES=%s\n" d);
266	fprintf out "PXP=%b\n" pxp;
267	fprintf out "EXPAT=%b\n" expat;
268	fprintf out "CURL=%b\n" curl;
269	fprintf out "NETCLIENT=%b\n" netclient;
270	fprintf out "PXP_WLEX=%b\n" pxp_wlex;
271	fprintf out "BINDIR=%s\n" bindir;
272	fprintf out "MANDIR=%s\n" mandir;
273	fprintf out "DOCDIR=%s\n" docdir;
274	fprintf out "CGI_DIR=%s\n" cgidir;
275	fprintf out "HTML_DIR=%s\n" htmldir;
276	fprintf out "SESSION_DIR=%s\n" sessiondir;
277	fprintf out "EXE=%s\n" exe;
278	fprintf out "PROFILE=false\n";
279	close_out out