#!/bin/sh -e

patch -p1 < no-x11.patch

# Firefox 90 cannot be built with rust 1.54.0. This updates a crate
# used by Firefox to work around this issue.
{
    sed '/const_fn,/d' third_party/rust/packed_simd/src/lib.rs > _
    mv -f _ third_party/rust/packed_simd/src/lib.rs

    printf '{"package":null,"files":{}}\n' \
        > third_party/rust/packed_simd/.cargo-checksum.json

    patch -p1 < rust-1.54.0.patch
}

# Remove fribidi dependency.
sed '/fribidi/d' config/system-headers.mozbuild > _
mv -f _ config/system-headers.mozbuild

# Remove libc header which conflicts with 7 or so Linux
# kernel headers. See: https://github.com/kisslinux/repo/issues/207
_f=dom/media/webrtc/transport/third_party/nICEr/src/stun/addrs-netlink.c
sed '/net\/if/d' "$_f" > _
mv -f _ "$_f"

# Build autoconf 2.13 for Firefox's sole use.
# See: https://bugzilla.mozilla.org/show_bug.cgi?id=104642
(
    cd autoconf2.13

    ./configure \
        --prefix="$PWD/../junk" \
        --program-suffix=-2.13

    make
    make install
)

# Build yasm for Firefox's sole use.
# Firefox is the only package which needs it
# and upstream is kinda dead.
(
    cd yasm

    ./configure \
        --prefix="$PWD/../junk"

    make
    make install
)

# Build zip for Firefox's sole use.
# Zip is an awful format that we should use
# as little as possible.
(
    cd zip

    make \
        CC="$CC $CFLAGS $CXXFLAGS" \
        -f unix/Makefile generic

    make \
        prefix="$PWD/../junk" \
        -f unix/Makefile install
)

export PATH="$PWD/junk/bin:$PATH"

# If using libc++, CXXSTDLIB needs to be set manually.
case $("$CC" -print-file-name=libc++.so) in */*)
    export CXXSTDLIB=c++
esac

export LDFLAGS="$LDFLAGS -Wl,-rpath=/usr/lib/firefox,--enable-new-dtags"
export RUSTFLAGS="$RUSTFLAGS -Cdebuginfo=0"
export MACH_USE_SYSTEM_PYTHON=1
export MOZ_DEBUG_FLAGS=-g0
export MOZ_NOSPAM=1

cat > .mozconfig << EOF
ac_add_options --enable-default-toolkit=cairo-gtk3-wayland
ac_add_options --prefix=/usr
ac_add_options --libdir=/usr/lib
ac_add_options --enable-alsa
ac_add_options --enable-strip
ac_add_options --enable-release
ac_add_options --enable-rust-simd
ac_add_options --enable-install-strip
ac_add_options --enable-official-branding
ac_add_options --enable-application=browser
ac_add_options --enable-optimize="${CFLAGS:-} -w"
ac_add_options --with-system-libvpx
ac_add_options --with-system-ffi
ac_add_options --with-system-png
ac_add_options --with-system-jpeg
ac_add_options --with-system-zlib
ac_add_options --with-system-pixman
ac_add_options --without-system-nss
ac_add_options --without-system-nspr
ac_add_options --disable-eme
ac_add_options --disable-dbus
ac_add_options --disable-gold
ac_add_options --disable-tests
ac_add_options --disable-vtune
ac_add_options --disable-updater
ac_add_options --disable-jemalloc
ac_add_options --disable-elf-hack
ac_add_options --disable-callgrind
ac_add_options --disable-profiling
ac_add_options --disable-necko-wifi
ac_add_options --disable-crashreporter
ac_add_options --disable-pulseaudio
ac_add_options --disable-accessibility
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

# Currently required for X11-less builds.
# See: https://bugzilla.mozilla.org/show_bug.cgi?id=1661450
#      https://bugzilla.mozilla.org/show_bug.cgi?id=1654112
cat >> .mozconfig <<EOF
ac_add_options --disable-webrtc
EOF

./mach build
./mach install

# Remove a lot of uneeded "stuff".
rm -rf \
    "$1/usr/include" \
    "$1/usr/lib/firefox-devel" \
    "$1/usr/share/idl" \
    "$1/usr/lib/firefox/browser/features/fxmonitor@mozilla.org.xpi" \
    "$1/usr/lib/firefox/browser/features/screenshots@mozilla.org.xpi" \
    "$1/usr/lib/firefox/browser/features/webcompat-reporter@mozilla.org.xpi" \
    "$1/usr/lib/firefox/browser/features/webcompat@mozilla.org.xpi" \
    "$1/usr/lib/firefox/browser/features/doh-rollout@mozilla.org.xpi"