#!/bin/sh -e

# 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/../autoconf" \
        --program-suffix=-2.13

    make
    make install
)

export PATH=$PWD/autoconf/bin:$PATH
export LDFLAGS="$LDFLAGS -Wl,-rpath=/usr/lib/firefox"
export CC=${CC:-gcc}
export CXX=${CXX:-g++}

# Keep memory usage as low as possible.
export LDFLAGS="$LDFLAGS -Wl,--as-needed -Wl,--no-keep-memory -Wl,--stats"
export MOZ_LINK_FLAGS=$LDFLAGS
export MOZ_DEBUG_FLAGS=-g0
export RUSTFLAGS=-Cdebuginfo=0

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

printf 'mk_add_options MOZ_MAKE_FLAGS="%s"\n' \
    "${MAKEFLAGS:--j1 -l1}" >> mozconfig

./mach build
DESTDIR="$1" ./mach install

rm -rf "$1/usr/include"
rm -rf "$1/usr/lib/firefox-devel"
rm -rf "$1/usr/share/idl"
rm -rf "$1/usr/lib/firefox/gtk2"
rm -f  "$1/usr/lib/firefox/browser/features/fxmonitor@mozilla.org.xpi"
rm -f  "$1/usr/lib/firefox/browser/features/screenshots@mozilla.org.xpi"
rm -f  "$1/usr/lib/firefox/browser/features/webcompat-reporter@mozilla.org.xpi"
rm -f  "$1/usr/lib/firefox/browser/features/webcompat@mozilla.org.xpi"