ocaml/tools/ocamlmklib.ml

289 lines
11 KiB
OCaml

(***********************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 2001 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
open Printf
open Ocamlmklibconfig
(* PR#4783: under Windows, don't use absolute paths because we do
not know where the binary distribution will be installed. *)
let compiler_path name =
if Sys.os_type = "Win32" then name else Filename.concat bindir name
let bytecode_objs = ref [] (* .cmo,.cma,.ml,.mli files to pass to ocamlc *)
and native_objs = ref [] (* .cmx,.cmxa,.ml,.mli files to pass to ocamlopt *)
and c_objs = ref [] (* .o, .a, .obj, .lib, .dll files to pass
to mksharedlib and ar *)
and caml_libs = ref [] (* -cclib to pass to ocamlc, ocamlopt *)
and caml_opts = ref [] (* -ccopt to pass to ocamlc, ocamlopt *)
and dynlink = ref supports_shared_libraries
and failsafe = ref false (* whether to fall back on static build only *)
and c_libs = ref [] (* libs to pass to mksharedlib and ocamlc -cclib *)
and c_Lopts = ref [] (* options to pass to mksharedlib and ocamlc -cclib *)
and c_opts = ref [] (* options to pass to mksharedlib and ocamlc -ccopt *)
and ld_opts = ref [] (* options to pass only to the linker *)
and ocamlc = ref (compiler_path "ocamlc")
and ocamlopt = ref (compiler_path "ocamlopt")
and output = ref "a" (* Output name for OCaml part of library *)
and output_c = ref "" (* Output name for C part of library *)
and rpath = ref [] (* rpath options *)
and verbose = ref false
let starts_with s pref =
String.length s >= String.length pref &&
String.sub s 0 (String.length pref) = pref
let ends_with = Filename.check_suffix
let chop_prefix s pref =
String.sub s (String.length pref) (String.length s - String.length pref)
let chop_suffix = Filename.chop_suffix
exception Bad_argument of string
let print_version () =
printf "ocamlmklib, version %s\n" Sys.ocaml_version;
exit 0;
;;
let print_version_num () =
printf "%s\n" Sys.ocaml_version;
exit 0;
;;
let parse_arguments argv =
let i = ref 1 in
let next_arg () =
if !i + 1 >= Array.length argv
then raise (Bad_argument("Option " ^ argv.(!i) ^ " expects one argument"));
incr i; argv.(!i) in
while !i < Array.length argv do
let s = argv.(!i) in
if ends_with s ".cmo" || ends_with s ".cma" then
bytecode_objs := s :: !bytecode_objs
else if ends_with s ".cmx" || ends_with s ".cmxa" then
native_objs := s :: !native_objs
else if ends_with s ".ml" || ends_with s ".mli" then
(bytecode_objs := s :: !bytecode_objs;
native_objs := s :: !native_objs)
else if List.exists (ends_with s) [".o"; ".a"; ".obj"; ".lib"; ".dll"] then
c_objs := s :: !c_objs
else if s = "-cclib" then
caml_libs := next_arg () :: "-cclib" :: !caml_libs
else if s = "-ccopt" then
caml_opts := next_arg () :: "-ccopt" :: !caml_opts
else if s = "-custom" then
dynlink := false
else if s = "-I" then
caml_opts := next_arg () :: "-I" :: !caml_opts
else if s = "-failsafe" then
failsafe := true
else if s = "-h" || s = "-help" || s = "--help" then
raise (Bad_argument "")
else if s = "-ldopt" then
ld_opts := next_arg () :: !ld_opts
else if s = "-linkall" then
caml_opts := s :: !caml_opts
else if starts_with s "-l" then
c_libs := s :: !c_libs
else if starts_with s "-L" then
(c_Lopts := s :: !c_Lopts;
let l = chop_prefix s "-L" in
if not (Filename.is_relative l) then rpath := l :: !rpath)
else if s = "-ocamlc" then
ocamlc := next_arg ()
else if s = "-ocamlopt" then
ocamlopt := next_arg ()
else if s = "-o" then
output := next_arg()
else if s = "-oc" then
output_c := next_arg()
else if s = "-dllpath" || s = "-R" || s = "-rpath" then
rpath := next_arg() :: !rpath
else if starts_with s "-R" then
rpath := chop_prefix s "-R" :: !rpath
else if s = "-Wl,-rpath" then
(let a = next_arg() in
if starts_with a "-Wl,"
then rpath := chop_prefix a "-Wl," :: !rpath
else raise (Bad_argument("Option -Wl,-rpath expects a -Wl, argument")))
else if starts_with s "-Wl,-rpath," then
rpath := chop_prefix s "-Wl,-rpath," :: !rpath
else if starts_with s "-Wl,-R" then
rpath := chop_prefix s "-Wl,-R" :: !rpath
else if s = "-v" || s = "-verbose" then
verbose := true
else if s = "-version" then
print_version ()
else if s = "-vnum" then
print_version_num ()
else if starts_with s "-F" then
c_opts := s :: !c_opts
else if s = "-framework" then
(let a = next_arg() in c_opts := a :: s :: !c_opts)
else if starts_with s "-" then
prerr_endline ("Unknown option " ^ s)
else
raise (Bad_argument("Don't know what to do with " ^ s));
incr i
done;
List.iter
(fun r -> r := List.rev !r)
[ bytecode_objs; native_objs; caml_libs; caml_opts;
c_libs; c_objs; c_opts; ld_opts; rpath ];
(* Put -L options in front of -l options in -cclib to mimic -ccopt behavior *)
c_libs := !c_Lopts @ !c_libs;
if !output_c = "" then output_c := !output
let usage = "\
Usage: ocamlmklib [options] <.cmo|.cma|.cmx|.cmxa|.ml|.mli|.o|.a|.obj|.lib|\
.dll files>\
\nOptions are:\
\n -cclib <lib> C library passed to ocamlc -a or ocamlopt -a only\
\n -ccopt <opt> C option passed to ocamlc -a or ocamlopt -a only\
\n -custom disable dynamic loading\
\n -dllpath <dir> Add <dir> to the run-time search path for DLLs\
\n -F<dir> Specify a framework directory (MacOSX)\
\n -framework <name> Use framework <name> (MacOSX)\
\n -help Print this help message and exit\
\n --help Same as -help\
\n -h Same as -help\
\n -I <dir> Add <dir> to the path searched for OCaml object files\
\n -failsafe fall back to static linking if DLL construction failed\
\n -ldopt <opt> C option passed to the shared linker only\
\n -linkall Build OCaml archive with link-all behavior\
\n -l<lib> Specify a dependent C library\
\n -L<dir> Add <dir> to the path searched for C libraries\
\n -ocamlc <cmd> Use <cmd> in place of \"ocamlc\"\
\n -ocamlopt <cmd> Use <cmd> in place of \"ocamlopt\"\
\n -o <name> Generated OCaml library is named <name>.cma or <name>.cmxa\
\n -oc <name> Generated C library is named dll<name>.so or lib<name>.a\
\n -rpath <dir> Same as -dllpath <dir>\
\n -R<dir> Same as -rpath\
\n -verbose Print commands before executing them\
\n -v same as -verbose\
\n -version Print version and exit\
\n -vnum Print version number and exit\
\n -Wl,-rpath,<dir> Same as -dllpath <dir>\
\n -Wl,-rpath -Wl,<dir> Same as -dllpath <dir>\
\n -Wl,-R<dir> Same as -dllpath <dir>\
\n"
let command cmd =
if !verbose then (print_string "+ "; print_string cmd; print_newline());
Sys.command cmd
let scommand cmd =
if command cmd <> 0 then exit 2
let safe_remove s =
try Sys.remove s with Sys_error _ -> ()
let make_set l =
let rec merge l = function
[] -> List.rev l
| p :: r -> if List.mem p l then merge l r else merge (p::l) r
in
merge [] l
let make_rpath flag =
if !rpath = [] || flag = ""
then ""
else flag ^ String.concat ":" (make_set !rpath)
let make_rpath_ccopt flag =
if !rpath = [] || flag = ""
then ""
else "-ccopt " ^ flag ^ String.concat ":" (make_set !rpath)
let prefix_list pref l =
List.map (fun s -> pref ^ s) l
let prepostfix pre name post =
let base = Filename.basename name in
let dir = Filename.dirname name in
Filename.concat dir (pre ^ base ^ post)
;;
let transl_path s =
match Sys.os_type with
| "Win32" ->
let s = Bytes.of_string s in
let rec aux i =
if i = Bytes.length s || Bytes.get s i = ' ' then s
else begin
if Bytes.get s i = '/' then Bytes.set s i '\\';
aux (i + 1)
end
in Bytes.to_string (aux 0)
| _ -> s
let build_libs () =
if !c_objs <> [] then begin
if !dynlink then begin
let retcode = command
(Printf.sprintf "%s -o %s %s %s %s %s %s"
mkdll
(prepostfix "dll" !output_c ext_dll)
(String.concat " " !c_objs)
(String.concat " " !c_opts)
(String.concat " " !ld_opts)
(make_rpath mksharedlibrpath)
(String.concat " " !c_libs)
)
in
if retcode <> 0 then if !failsafe then dynlink := false else exit 2
end;
safe_remove (prepostfix "lib" !output_c ext_lib);
scommand
(mklib (prepostfix "lib" !output_c ext_lib)
(String.concat " " !c_objs) "");
end;
if !bytecode_objs <> [] then
scommand
(sprintf "%s -a %s -o %s.cma %s %s -dllib -l%s -cclib -l%s %s %s %s %s"
(transl_path !ocamlc)
(if !dynlink then "" else "-custom")
!output
(String.concat " " !caml_opts)
(String.concat " " !bytecode_objs)
(Filename.basename !output_c)
(Filename.basename !output_c)
(String.concat " " (prefix_list "-ccopt " !c_opts))
(make_rpath_ccopt byteccrpath)
(String.concat " " (prefix_list "-cclib " !c_libs))
(String.concat " " !caml_libs));
if !native_objs <> [] then
scommand
(sprintf "%s -a -o %s.cmxa %s %s -cclib -l%s %s %s %s %s"
(transl_path !ocamlopt)
!output
(String.concat " " !caml_opts)
(String.concat " " !native_objs)
(Filename.basename !output_c)
(String.concat " " (prefix_list "-ccopt " !c_opts))
(make_rpath_ccopt nativeccrpath)
(String.concat " " (prefix_list "-cclib " !c_libs))
(String.concat " " !caml_libs))
let _ =
try
parse_arguments Sys.argv;
build_libs()
with
| Bad_argument "" ->
prerr_string usage; exit 0
| Bad_argument s ->
prerr_endline s; prerr_string usage; exit 4
| Sys_error s ->
prerr_string "System error: "; prerr_endline s; exit 4
| x ->
raise x