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|
(* Compute compilation and linking flags *)
open Config_vars
module Configurator = Configurator.V1
(* Compile and link a dummy C program with the given flags. *)
let test ~cfg ~c_flags ~link_flags =
let test_program = "int main() { return 0; }" in
Configurator.c_test cfg test_program ~c_flags ~link_flags
let () = Configurator.main ~name:"cryptokit" (fun cfg ->
let os_type = Configurator.ocaml_config_var_exn cfg "os_type" in
let system = Configurator.ocaml_config_var_exn cfg "system" in
let architecture = Configurator.ocaml_config_var_exn cfg "architecture" in
let zlib = match enable_zlib with
| This bool -> bool
| Auto -> os_type <> "Win32"
in
let hardware_support = match enable_hardware_support with
| This bool -> bool
| Auto -> (architecture = "amd64" || architecture = "i386")
&& test ~cfg ~c_flags:[ "-maes" ] ~link_flags:[]
in
let append_if c y x = if c then x @ [ y ] else x in
let flags =
[]
|> append_if zlib "-DHAVE_ZLIB"
|> append_if hardware_support "-maes"
in
let library_flags =
[]
|> append_if (zlib && (system = "win32" || system = "win64")) "zlib.lib"
|> append_if (zlib && system <> "win32" && system <> "win64") "-lz"
|> append_if (system = "win32" || system = "win64") "advapi32.lib"
|> append_if (system = "mingw" || system = "mingw64") "-ladvapi32"
in
Configurator.Flags.write_sexp "flags.sexp" flags;
Configurator.Flags.write_sexp "library_flags.sexp" library_flags;
let describe_bool = function
| true -> "enabled"
| false -> "disabled"
in
Printf.printf "ZLib: ............................... %s\n" (describe_bool zlib);
Printf.printf "Hardware support for AES and GCM: ... %s\n" (describe_bool hardware_support))
|
