Merge pull request #99922 from S-NA/wip/firefox-lto

, hunspell, libXdamage, libevent, libstartup_notification

, libvpx_1_8

, icu67, libpng, jemalloc, glib

, autoconf213, which, gnused, cargo, rustc, llvmPackages

, autoconf213, which, gnused, cargo, rustc

, rust-cbindgen, nodejs, nasm, fetchpatch

, debugBuild ? false

, ffmpegSupport ? true

, gtk3Support ? true, gtk2, gtk3, wrapGAppsHook

, waylandSupport ? true, libxkbcommon

, ltoSupport ? stdenv.isLinux, overrideCC, buildPackages

, gssSupport ? true, kerberos

, pipewireSupport ? waylandSupport && webrtcSupport, pipewire

assert stdenv.cc.libc or null != null;

assert pipewireSupport -> !waylandSupport || !webrtcSupport -> throw "pipewireSupport requires both wayland and webrtc support.";

assert ltoSupport -> stdenv.isDarwin -> throw "LTO is broken on Darwin (see PR#19312).";

let

  flag = tf: x: [(if tf then "--enable-${x}" else "--disable-${x}")];

            then "/Applications/${binaryNameCapitalized}.app/Contents/MacOS"

            else "/bin";

  # Darwin's stdenv provides the default llvmPackages version, match that since

  # clang LTO on Darwin is broken so the stdenv is not being changed.

  llvmPackages = if stdenv.isDarwin

                 then buildPackages.llvmPackages

                 else buildPackages.llvmPackages_10;

  # When LTO for Darwin is fixed, the following will need updating as lld

  # doesn't work on it. For now it is fine since ltoSupport implies no Darwin.

  buildStdenv = if ltoSupport

                then overrideCC stdenv llvmPackages.lldClang

                else stdenv;

in

stdenv.mkDerivation ({

buildStdenv.mkDerivation ({

  name = "${pname}-unwrapped-${ffversion}";

  version = ffversion;

  ++ lib.optional  pulseaudioSupport libpulseaudio # only headers are needed

  ++ lib.optional  gtk3Support gtk3

  ++ lib.optional  gssSupport kerberos

  ++ lib.optional  ltoSupport llvmPackages.libunwind

  ++ lib.optionals waylandSupport [ libxkbcommon ]

  ++ lib.optionals pipewireSupport [ pipewire ]

  ++ lib.optionals stdenv.isDarwin [ CoreMedia ExceptionHandling Kerberos

  ++ lib.optionals buildStdenv.isDarwin [ CoreMedia ExceptionHandling Kerberos

                                          AVFoundation MediaToolbox CoreLocation

                                          Foundation libobjc AddressBook cups ];

  NIX_LDFLAGS = lib.optionalString ltoSupport ''

    -rpath ${placeholder "out"}/lib/${binaryName}

    -rpath ${llvmPackages.libunwind.out}/lib

  '';

  NIX_CFLAGS_COMPILE = toString [

    "-I${glib.dev}/include/gio-unix-2.0"

    "-I${nss.dev}/include/nss"

      which

    ]

    ++ lib.optional gtk3Support wrapGAppsHook

    ++ lib.optionals stdenv.isDarwin [ xcbuild rsync ]

    ++ lib.optionals buildStdenv.isDarwin [ xcbuild rsync ]

    ++ extraNativeBuildInputs;

  preConfigure = ''

    # included we need to look in a few places.

    # TODO: generalize this process for other use-cases.

    BINDGEN_CFLAGS="$(< ${stdenv.cc}/nix-support/libc-crt1-cflags) \

      $(< ${stdenv.cc}/nix-support/libc-cflags) \

      $(< ${stdenv.cc}/nix-support/cc-cflags) \

      $(< ${stdenv.cc}/nix-support/libcxx-cxxflags) \

      ${lib.optionalString stdenv.cc.isClang "-idirafter ${stdenv.cc.cc}/lib/clang/${lib.getVersion stdenv.cc.cc}/include"} \

      ${lib.optionalString stdenv.cc.isGNU "-isystem ${stdenv.cc.cc}/include/c++/${lib.getVersion stdenv.cc.cc} -isystem ${stdenv.cc.cc}/include/c++/${lib.getVersion stdenv.cc.cc}/${stdenv.hostPlatform.config}"} \

    BINDGEN_CFLAGS="$(< ${buildStdenv.cc}/nix-support/libc-crt1-cflags) \

      $(< ${buildStdenv.cc}/nix-support/libc-cflags) \

      $(< ${buildStdenv.cc}/nix-support/cc-cflags) \

      $(< ${buildStdenv.cc}/nix-support/libcxx-cxxflags) \

      ${lib.optionalString buildStdenv.cc.isClang "-idirafter ${buildStdenv.cc.cc}/lib/clang/${lib.getVersion buildStdenv.cc.cc}/include"} \

      ${lib.optionalString buildStdenv.cc.isGNU "-isystem ${buildStdenv.cc.cc}/include/c++/${lib.getVersion buildStdenv.cc.cc} -isystem ${buildStdenv.cc.cc}/include/c++/${lib.getVersion buildStdenv.cc.cc}/${buildStdenv.hostPlatform.config}"} \

      $NIX_CFLAGS_COMPILE"

    echo "ac_add_options BINDGEN_CFLAGS='$BINDGEN_CFLAGS'" >> $MOZCONFIG

    "--enable-jemalloc"

    "--enable-default-toolkit=${default-toolkit}"

    "--with-libclang-path=${llvmPackages.libclang}/lib"

    "--with-clang-path=${llvmPackages.clang}/bin/clang"

    "--with-system-nspr"

    "--with-system-nss"

  ]

  ++ lib.optional (stdenv.isDarwin) "--disable-xcode-checks"

  ++ lib.optional (buildStdenv.isDarwin) "--disable-xcode-checks"

  ++ lib.optional (!ltoSupport) "--with-clang-path=${llvmPackages.clang}/bin/clang"

  # LTO is done using clang and lld on Linux.

  # Darwin needs to use the default linker as lld is not supported (yet?):

  #   https://bugzilla.mozilla.org/show_bug.cgi?id=1538724

  # elf-hack is broken when using clang+lld:

  #   https://bugzilla.mozilla.org/show_bug.cgi?id=1482204

  ++ lib.optionals ltoSupport [

    "--enable-lto"

    "--disable-elf-hack"

  ] ++ lib.optional (ltoSupport && !buildStdenv.isDarwin) "--enable-linker=lld"

  ++ flag alsaSupport "alsa"

  ++ flag pulseaudioSupport "pulseaudio"

  enableParallelBuilding = true;

  doCheck = false; # "--disable-tests" above

  installPhase = if stdenv.isDarwin then ''

  installPhase = if buildStdenv.isDarwin then ''

    mkdir -p $out/Applications

    cp -LR dist/${binaryNameCapitalized}.app $out/Applications

  '' else null;

  postInstall = lib.optionalString stdenv.isLinux ''

  postInstall = lib.optionalString buildStdenv.isLinux ''

    # Remove SDK cruft. FIXME: move to a separate output?

    rm -rf $out/share/idl $out/include $out/lib/${binaryName}-devel-*

    gappsWrapperArgs+=(--argv0 "$out/bin/.${binaryName}-wrapped")

  '';

  postFixup = lib.optionalString stdenv.isLinux ''

  postFixup = lib.optionalString buildStdenv.isLinux ''

    # Fix notifications. LibXUL uses dlopen for this, unfortunately; see #18712.

    patchelf --set-rpath "${lib.getLib libnotify

      }/lib:$(patchelf --print-rpath "$out"/lib/${binaryName}*/libxul.so)" \