nixpkgs/pkgs/applications/emulators/wine/base.nix

{
  stdenv,
  lib,
  pkgArches,
  makeSetupHook,
  pname,
  version,
  src,
  mingwGccs,
  monos,
  geckos,
  platforms,
  bison,
  flex,
  fontforge,
  gettext,
  makeWrapper,
  pkg-config,
  nixosTests,
  supportFlags,
  wineRelease,
  patches,
  moltenvk,
  buildScript ? null,
  configureFlags ? [ ],
  mainProgram ? "wine",
}:

with import ./util.nix { inherit lib; };

let
  prevName = pname;
  prevConfigFlags = configureFlags;

  setupHookDarwin = makeSetupHook {
    name = "darwin-mingw-hook";
    substitutions = {
      darwinSuffixSalt = stdenv.cc.suffixSalt;
      mingwGccsSuffixSalts = map (gcc: gcc.suffixSalt) mingwGccs;
    };
  } ./setup-hook-darwin.sh;

  # Using the 14.4 SDK allows Wine to use `os_sync_wait_on_address` for its futex implementation on Darwin.
  # It does an availability check, so older systems will still work.
  darwinFrameworks = lib.optionals stdenv.hostPlatform.isDarwin (
    toBuildInputs pkgArches (pkgs: [ pkgs.apple-sdk_14 ])
  );

  # Building Wine with these flags isn’t supported on Darwin. Using any of them will result in an evaluation failures
  # because they will put Darwin in `meta.badPlatforms`.
  darwinUnsupportedFlags = [
    "alsaSupport"
    "cairoSupport"
    "dbusSupport"
    "fontconfigSupport"
    "gtkSupport"
    "netapiSupport"
    "pulseaudioSupport"
    "udevSupport"
    "v4lSupport"
    "vaSupport"
    "waylandSupport"
    "x11Support"
    "xineramaSupport"
  ];

  badPlatforms = lib.optional (
    !supportFlags.mingwSupport || lib.any (flag: supportFlags.${flag}) darwinUnsupportedFlags
  ) "x86_64-darwin";
in
stdenv.mkDerivation (
  finalAttrs:
  lib.optionalAttrs (buildScript != null) { builder = buildScript; }
  // lib.optionalAttrs stdenv.hostPlatform.isDarwin {
    postBuild = ''
      # The Wine preloader must _not_ be linked to any system libraries, but `NIX_LDFLAGS` will link
      # to libintl, libiconv, and CoreFoundation no matter what. Delete the one that was built and
      # rebuild it with empty NIX_LDFLAGS.
      for preloader in wine-preloader wine64-preloader; do
        rm loader/$preloader &> /dev/null \
        && ( echo "Relinking loader/$preloader"; make loader/$preloader NIX_LDFLAGS="" NIX_LDFLAGS_${stdenv.cc.suffixSalt}="" ) \
        || echo "loader/$preloader not built, skipping relink."
      done
    '';
  }
  // {
    inherit version src;

    pname =
      prevName
      + lib.optionalString (wineRelease != "stable" && wineRelease != "unstable") "-${wineRelease}";

    # Fixes "Compiler cannot create executables" building wineWow with mingwSupport
    strictDeps = true;

    nativeBuildInputs =
      with supportFlags;
      [
        bison
        flex
        fontforge
        makeWrapper
        pkg-config
      ]
      ++ lib.optional gettextSupport gettext
      ++ lib.optionals mingwSupport (
        mingwGccs ++ lib.optional stdenv.hostPlatform.isDarwin setupHookDarwin
      );

    buildInputs = toBuildInputs pkgArches (
      with supportFlags;
      (
        pkgs:
        [
          pkgs.freetype
          pkgs.perl
          pkgs.libunwind
        ]
        ++ lib.optional stdenv.hostPlatform.isLinux pkgs.libcap
        ++ lib.optional stdenv.hostPlatform.isDarwin pkgs.libinotify-kqueue
        ++ lib.optional cupsSupport pkgs.cups
        ++ lib.optional dbusSupport pkgs.dbus
        ++ lib.optional cairoSupport pkgs.cairo
        ++ lib.optional odbcSupport pkgs.unixODBC
        ++ lib.optional netapiSupport pkgs.samba4
        ++ lib.optional cursesSupport pkgs.ncurses
        ++ lib.optional vaSupport pkgs.libva
        ++ lib.optional pcapSupport pkgs.libpcap
        ++ lib.optional v4lSupport pkgs.libv4l
        ++ lib.optional saneSupport pkgs.sane-backends
        ++ lib.optional gphoto2Support pkgs.libgphoto2
        ++ lib.optional krb5Support pkgs.libkrb5
        ++ lib.optional fontconfigSupport pkgs.fontconfig
        ++ lib.optional alsaSupport pkgs.alsa-lib
        ++ lib.optional pulseaudioSupport pkgs.libpulseaudio
        ++ lib.optional (xineramaSupport && x11Support) pkgs.xorg.libXinerama
        ++ lib.optional udevSupport pkgs.udev
        ++ lib.optional vulkanSupport (
          if stdenv.hostPlatform.isDarwin then moltenvk else pkgs.vulkan-loader
        )
        ++ lib.optional sdlSupport pkgs.SDL2
        ++ lib.optional usbSupport pkgs.libusb1
        ++ lib.optionals gstreamerSupport (
          with pkgs.gst_all_1;
          [
            gstreamer
            gst-plugins-base
            gst-plugins-good
            gst-plugins-ugly
            gst-libav
            gst-plugins-bad
          ]
        )
        ++ lib.optionals gtkSupport [
          pkgs.gtk3
          pkgs.glib
        ]
        ++ lib.optionals openclSupport [
          pkgs.opencl-headers
          pkgs.ocl-icd
        ]
        ++ lib.optionals tlsSupport [
          pkgs.openssl
          pkgs.gnutls
        ]
        ++ lib.optionals (openglSupport && !stdenv.hostPlatform.isDarwin) [
          pkgs.libGLU
          pkgs.libGL
          pkgs.libdrm
        ]
        ++ lib.optionals stdenv.hostPlatform.isDarwin darwinFrameworks
        ++ lib.optionals x11Support (
          with pkgs.xorg;
          [
            libX11
            libXcomposite
            libXcursor
            libXext
            libXfixes
            libXi
            libXrandr
            libXrender
            libXxf86vm
          ]
        )
        ++ lib.optionals waylandSupport (
          with pkgs;
          [
            wayland
            wayland-scanner
            libxkbcommon
            wayland-protocols
            wayland.dev
            libxkbcommon.dev
            libgbm
          ]
        )
      )
    );

    inherit patches;

    configureFlags =
      prevConfigFlags
      ++ lib.optionals supportFlags.waylandSupport [ "--with-wayland" ]
      ++ lib.optionals supportFlags.vulkanSupport [ "--with-vulkan" ]
      ++ lib.optionals (
        (stdenv.hostPlatform.isDarwin && !supportFlags.xineramaSupport) || !supportFlags.x11Support
      ) [ "--without-x" ];

    # Wine locates a lot of libraries dynamically through dlopen().  Add
    # them to the RPATH so that the user doesn't have to set them in
    # LD_LIBRARY_PATH.
    NIX_LDFLAGS = toString (
      map (path: "-rpath " + path) (
        map (x: "${lib.getLib x}/lib") (
          [ stdenv.cc.cc ]
          # Avoid adding rpath references to non-existent framework `lib` paths.
          ++ lib.subtractLists darwinFrameworks finalAttrs.buildInputs
        )
        # libpulsecommon.so is linked but not found otherwise
        ++ lib.optionals supportFlags.pulseaudioSupport (
          map (x: "${lib.getLib x}/lib/pulseaudio") (toBuildInputs pkgArches (pkgs: [ pkgs.libpulseaudio ]))
        )
        ++ lib.optionals supportFlags.waylandSupport (
          map (x: "${lib.getLib x}/share/wayland-protocols") (
            toBuildInputs pkgArches (pkgs: [ pkgs.wayland-protocols ])
          )
        )
      )
    );

    # Don't shrink the ELF RPATHs in order to keep the extra RPATH
    # elements specified above.
    dontPatchELF = true;

    ## FIXME
    # Add capability to ignore known failing tests
    # and enable doCheck
    doCheck = false;

    postInstall =
      let
        links = prefix: pkg: "ln -s ${pkg} $out/${prefix}/${pkg.name}";
      in
      lib.optionalString supportFlags.embedInstallers ''
        mkdir -p $out/share/wine/gecko $out/share/wine/mono/
        ${lib.strings.concatStringsSep "\n" (
          (map (links "share/wine/gecko") geckos) ++ (map (links "share/wine/mono") monos)
        )}
      ''
      + lib.optionalString supportFlags.gstreamerSupport ''
        # Wrapping Wine is tricky.
        # https://github.com/NixOS/nixpkgs/issues/63170
        # https://github.com/NixOS/nixpkgs/issues/28486
        # The main problem is that wine-preloader opens and loads the wine(64) binary, and
        # breakage occurs if it finds a shell script instead of the real binary. We solve this
        # by setting WINELOADER to point to the original binary. Additionally, the locations
        # of the 32-bit and 64-bit binaries must differ only by the presence of "64" at the
        # end, due to the logic Wine uses to find the other binary (see get_alternate_loader
        # in dlls/kernel32/process.c). Therefore we do not use wrapProgram which would move
        # the binaries to ".wine-wrapped" and ".wine64-wrapped", but use makeWrapper directly,
        # and move the binaries to ".wine" and ".wine64".
        for i in wine wine64 ; do
          prog="$out/bin/$i"
          if [ -e "$prog" ]; then
            hidden="$(dirname "$prog")/.$(basename "$prog")"
            mv "$prog" "$hidden"
            makeWrapper "$hidden" "$prog" \
              ${lib.optionalString (lib.versionAtLeast version "10.1") "--inherit-argv0"} \
              --set WINELOADER "$hidden" \
              --prefix GST_PLUGIN_SYSTEM_PATH_1_0 ":" "$GST_PLUGIN_SYSTEM_PATH_1_0"
          fi
        done
      '';

    enableParallelBuilding = true;

    # https://bugs.winehq.org/show_bug.cgi?id=43530
    # https://github.com/NixOS/nixpkgs/issues/31989
    hardeningDisable = [
      "bindnow"
      "stackclashprotection"
    ]
    ++ lib.optional (stdenv.hostPlatform.isDarwin) "fortify"
    ++ lib.optional (supportFlags.mingwSupport) "format";

    passthru = {
      inherit pkgArches;
      tests = { inherit (nixosTests) wine; };
      updateScript = src.updateScript or null;
    };
    meta = {
      inherit version;
      homepage = "https://www.winehq.org/";
      license = with lib.licenses; [ lgpl21Plus ];
      sourceProvenance = with lib.sourceTypes; [
        fromSource
        binaryNativeCode # mono, gecko
      ];
      description = "Open Source implementation of the Windows API on top of X, OpenGL, and Unix";
      inherit badPlatforms platforms;
      maintainers = with lib.maintainers; [
        avnik
        bendlas
        jmc-figueira
        kira-bruneau
        raskin
        reckenrode
      ];
      inherit mainProgram;
    };
  }
)