# Description: The Mozilla Firefox browser with Alsa support
# URL: https://www.mozilla.com/firefox/
# Maintainer: John McQuah, jmcquah at disroot dot org
# Depends on: alsa-lib aom autoconf-2.13 brotli cbindgen dav1d dbus-glib ffmpeg graphite2 libevent libnotify libvpx libwebp libxkbcommon nodejs nss unzip xorg-libxcomposite xorg-libxcursor xorg-libxinerama xorg-libxt zip
# Optional: apulse pulseaudio pipewire sndio sccache icu lld wayland

name=firefox
version=152.0.1
release=1
source=(https://ftp.mozilla.org/pub/$name/releases/$version/source/$name-$version.source.tar.xz
  firefox.desktop
  fix-target-detection.patch
  node-stdout-nonblocking-wrapper)

build() {
  chmod a+x "$SRC"/node-stdout-nonblocking-wrapper

  cd $name-$version

  for p in "$SRC"/*.patch; do
    patch -p1 -i $p
  done

  if [ "$(/usr/bin/python3 -c "import sys; print(sys.stdout.encoding)")" != 'utf-8' ]; then
    printf "\e[031mError: set an UTF-8 locale to compile this!\033[0m\n"
    exit 1
  fi

  [ -x /usr/bin/sccache ] && export RUSTC_WRAPPER='/usr/bin/sccache'
  mkdir -p "$PKGMK_SOURCE_DIR/rust"
  export CARGO_HOME="$PKGMK_SOURCE_DIR/rust"

  export MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE=none
  export MOZBUILD_STATE_PATH="$PWD"/mozbuild

  cat > .mozconfig << EOF
  export NODEJS="$SRC/node-stdout-nonblocking-wrapper"
  mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/firefox-shared
  unset MOZ_TELEMETRY_REPORTING
  ac_add_options --prefix=/usr
  ac_add_options --libdir=/usr/lib
  ac_add_options --enable-strip
  ac_add_options --enable-release
  ac_add_options --enable-install-strip
  ac_add_options --enable-official-branding
  ac_add_options --enable-application=browser
  ac_add_options --enable-optimize
  ac_add_options --with-system-ffi
  ac_add_options --with-system-jpeg
  ac_add_options --with-system-libevent
  ac_add_options --with-system-libvpx
  ac_add_options --with-system-nspr
  ac_add_options --with-system-nss
  ac_add_options --with-system-pixman
  ac_add_options --without-system-png
  ac_add_options --with-system-webp
  ac_add_options --with-system-zlib
  ac_add_options --without-wasm-sandboxed-libraries
  ac_add_options --disable-eme
  ac_add_options --disable-tests
  ac_add_options --disable-vtune
  ac_add_options --disable-updater
  ac_add_options --disable-elf-hack
  ac_add_options --disable-callgrind
  ac_add_options --disable-backgroundtasks
  ac_add_options --disable-default-browser-agent
  ac_add_options --disable-profiling
  ac_add_options --disable-necko-wifi
  ac_add_options --disable-crashreporter
  ac_add_options --disable-accessibility
  ac_add_options --disable-webspeech
  ac_add_options --disable-debug
  ac_add_options --disable-debug-symbols
  ac_add_options --disable-parental-controls
  ac_add_options --disable-system-extension-dirs
EOF

  [ -x /usr/bin/uconv ] && echo 'ac_add_options --with-system-icu' >> .mozconfig

  # bugzilla 1988166: workaround for systems without the single_threaded header
  [ -e /usr/include/sys/single_threaded.h ] || sed "/sys\/single_threaded.h/d" \
                    -i "$SRC"/$name-$version/config/system-headers.mozbuild

  # workaround if the PR_* constants are hard-coded in more than one location,
  # not relying on the kernel headers as the Single Point Of Truth
  if ! grep -q "^.include <linux/prctl.h>" /usr/include/sys/prctl.h; then
    sed -e "/^.include <linux\/prctl.h>/d" \
        -i third_party/libwebrtc/rtc_base/platform_thread_types.cc
  fi

  # disable jemalloc on systems without glibc 
  local LIBC=$(</var/lib/pkg/db awk -v RS="" -v FS="\n" '/\nusr\/lib\/libc.so\n/ { print $1 }')
  if [ "$LIBC" = glibc ]; then
     echo "ac_add_options --enable-jemalloc" >> .mozconfig
  else
     echo "ac_add_options --disable-jemalloc" >> .mozconfig
  fi

  # audio
  PKGMK_FFAUDIO="alsa"
  [ -e /usr/lib/pkgconfig/libpulse.pc ] && PKGMK_FFAUDIO+=",pulseaudio"
  [ -e /usr/lib/pkgconfig/sndio.pc ] && PKGMK_FFAUDIO+=",sndio"
  echo "ac_add_options --enable-audio-backends=${PKGMK_FFAUDIO}" >> .mozconfig

  if prt-get isinst wayland xorg-server >/dev/null ; then
    echo 'ac_add_options --enable-default-toolkit=cairo-gtk3-x11-wayland' >> .mozconfig
  elif prt-get isinst wayland >/dev/null ; then
    echo 'ac_add_options --enable-default-toolkit=cairo-gtk3-wayland-only' >> .mozconfig
  else
    echo 'ac_add_options --enable-default-toolkit=cairo-gtk3-x11-only' >> .mozconfig
  fi

  if [ -e '/usr/bin/ccache' ]; then
    echo 'ac_add_options --enable-ccache' >> .mozconfig
    PATH=$(echo ${PATH} | awk -v RS=: -v ORS=: '/ccache/ {next} {print}' | sed 's/:*$//')
  fi

  export CFLAGS="$CFLAGS -w"
  export CXXFLAGS="$CXXFLAGS -w"
  export LDFLAGS="$LDFLAGS -Wl,-rpath=/usr/lib/firefox,--enable-new-dtags"

  if [ -x /usr/bin/clang ] && [ -x /usr/bin/lld ]; then
      echo 'ac_add_options --enable-linker=lld' >> .mozconfig
      export LDFLAGS+=",--thinlto-jobs=$((${JOBS-2} / 2))"
      export CC=clang CXX=clang++
  else
      echo 'ac_add_options --enable-linker=bfd' >> .mozconfig
      export CC=gcc CXX=g++
  fi

  export AR=llvm-ar NM=llvm-nm RANLIB=llvm-ranlib RUSTFLAGS="-C opt-level=2 $RUSTFLAGS"
  export MOZ_MAKE_FLAGS="-j ${JOBS-1}"

  # Disable notification when build system has finished
  export MOZ_NOSPAM=1

  # python/mach/mach/mixin/process.py fails to detect SHELL
  export SHELL='/bin/bash'

  ./mach build
  DESTDIR="$PKG" ./mach install

  # Remove crap
  rm -rf "$PKG"/usr/lib/firefox/browser/features
  rm -f "$PKG"/usr/lib/firefox/removed-files

  install -D -m 0644 "$SRC"/firefox.desktop "$PKG"/usr/share/applications/firefox.desktop

  mkdir -p "$PKG"/etc/revdep.d
  echo "/usr/lib/firefox" > "$PKG"/etc/revdep.d/firefox

  mkdir -p "$PKG"/usr/share/pixmaps
  ln -sf /usr/lib/firefox/browser/chrome/icons/default/default128.png \
          "$PKG"/usr/share/pixmaps/firefox.png
}