#!/bin/sh -e

for p in *.patch; do
    patch -p1 < "$p"
done

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

    ./configure \
        --prefix=/

    make
    make DESTDIR="$PWD/../junk" install
)

# Build zip/unzip for Firefox's sole use.
for f in zip unzip; do (
    cd "$f"

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

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

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

export CC=clang
export CXX=clang++
export CFLAGS="--target=x86_64-pc-linux-musl $CFLAGS"
export CXXFLAGS="--target=x86_64-pc-linux-musl $CXXFLAGS"

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

# Instruct the compiler to trim absolute paths in resulting binaries and instead
# change them to relative paths ($PWD/... ./...).
export RUSTFLAGS="$RUSTFLAGS --remap-path-prefix=$PWD=."

export LDFLAGS="$LDFLAGS -Wl,-rpath=/usr/lib/firefox,--enable-new-dtags"
export RUSTFLAGS="$RUSTFLAGS -Cdebuginfo=0"
export MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE=system
export MOZ_DEBUG_FLAGS=-g0
export MOZBUILD_STATE_PATH="$PWD/state"
export MOZ_NOSPAM=1

cat > .mozconfig << EOF
ac_add_options --prefix=/usr
ac_add_options --libdir=/usr/lib
ac_add_options --enable-default-toolkit=cairo-gtk3-wayland-only
ac_add_options --enable-strip
ac_add_options --enable-release
ac_add_options --enable-rust-simd
ac_add_options --enable-audio-backends=alsa
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-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 --without-wasm-sandboxed-libraries
ac_add_options --disable-eme
ac_add_options --disable-dbus
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-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

./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"