core/pkgs/by-name/ni/nix/nix-perl.nix

{ stdenv, lib, perl, pkg-config, curl, nix, libsodium, boost, autoreconfHook
, autoconf-archive, nlohmann_json, xz, Security, meson, ninja, bzip2 }:

let
  atLeast223 = lib.versionAtLeast nix.version "2.23";

  mkConfigureOption = { mesonOption, autoconfOption, value }:
    let
      setFlagTo = if atLeast223 then
        lib.mesonOption mesonOption
      else
        lib.withFeatureAs true autoconfOption;
    in setFlagTo value;
in stdenv.mkDerivation (finalAttrs: {
  pname = "nix-perl";
  inherit (nix) version src;

  postUnpack = "sourceRoot=$sourceRoot/perl";

  buildInputs = [ boost bzip2 curl libsodium nix perl xz ]
    ++ lib.optional (stdenv.isDarwin) Security;

  # Not cross-safe since Nix checks for curl/perl via
  # NEED_PROG/find_program, but both seem to be needed at runtime
  # as well.
  nativeBuildInputs = [ pkg-config perl curl ] ++ (if atLeast223 then [
    meson
    ninja
  ] else [
    autoconf-archive
    autoreconfHook
  ]);

  # `perlPackages.Test2Harness` is marked broken for Darwin
  doCheck = !stdenv.isDarwin;

  nativeCheckInputs = [ perl.pkgs.Test2Harness ];

  ${if atLeast223 then "mesonFlags" else "configureFlags"} = [
    (mkConfigureOption {
      mesonOption = "dbi_path";
      autoconfOption = "dbi";
      value = "${perl.pkgs.DBI}/${perl.libPrefix}";
    })
    (mkConfigureOption {
      mesonOption = "dbd_sqlite_path";
      autoconfOption = "dbd-sqlite";
      value = "${perl.pkgs.DBDSQLite}/${perl.libPrefix}";
    })
  ] ++ lib.optionals atLeast223
    [ (lib.mesonEnable "tests" finalAttrs.doCheck) ];

  preConfigure = "export NIX_STATE_DIR=$TMPDIR";
})