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Rewrite the gen_link_flags script in OCaml
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Original file line number | Diff line number | Diff line change |
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let pkgconfig lib archive = | ||
let cmd = Fmt.str "pkg-config %s --variable libdir" lib in | ||
let output = | ||
Unix.open_process_in cmd | ||
|> In_channel.input_line | ||
|> Option.get | ||
in | ||
Fmt.str "%s/%s" output archive | ||
|
||
let pp_lib ppf s = Fmt.pf ppf "-cclib %s" s | ||
|
||
let starts_with ~prefix s = | ||
let open String in | ||
let len_s = length s | ||
and len_pre = length prefix in | ||
let rec aux i = | ||
if i = len_pre then true | ||
else if unsafe_get s i <> unsafe_get prefix i then false | ||
else aux (i + 1) | ||
in len_s >= len_pre && aux 0 | ||
|
||
let () = | ||
let mixed_flags = ["-noautolink"] in | ||
let mixed_cclib = [ | ||
"-lstdcompat_stubs"; | ||
"-lcamlzip"; | ||
"-lzarith"; | ||
"-lcamlstr"; | ||
"-lunix"; | ||
"-lnums"; | ||
"-lz" | ||
] | ||
in | ||
let libs = ["gmp"] in | ||
let link_mode = Sys.argv.(1) and os = Sys.argv.(2) in | ||
let flags, cclib = | ||
match link_mode, os with | ||
| "dynamic", _ -> [], [] | ||
| "static", "linux" -> [], ["-static"; "-no-pie"] | ||
| "mixed", "linux" -> | ||
let cclib = mixed_cclib @ List.map (fun s -> "-l" ^ s) libs in | ||
mixed_flags, "-Wl,-Bdynamic" :: "-Wl,-Bstatic" :: cclib | ||
| "mixed", "macosx" -> | ||
let cclib = mixed_cclib @ | ||
List.map | ||
(fun lib -> | ||
let archive = | ||
if starts_with ~prefix:"lib" lib then | ||
Fmt.str "%s.a" lib | ||
else | ||
Fmt.str "lib%s.a" lib | ||
in | ||
pkgconfig lib archive | ||
) libs | ||
in | ||
mixed_flags, cclib | ||
| _ -> Fmt.invalid_arg "unsupported mode and OS" | ||
in | ||
Fmt.pr "@[(-linkall %a %a)@]" | ||
Fmt.(list ~sep:sp string) flags | ||
Fmt.(list ~sep:sp pp_lib) cclib |