#!/bin/bash

IFS=$'\n'
set -eu -o pipefail

echo
echo '==> Checking deps'
which git
which autoreconf
which make
which gcc || which clang

echo
echo '==> Cloning repo'
if ! [ -e bind9 ]; then
  git clone --single-branch --depth 1 https://gitlab.isc.org/isc-projects/bind9.git bind9
else
  echo ' ** bind9/ already exists'
fi

cd bind9
export CFLAGS="-O3" CPPFLAGS="-O3"

echo
echo '==> autoreconf -fi'
autoreconf -fi

echo
echo '==> ./configure (check deps, generate config)'
./configure \
  --with-jemalloc \
  --disable-doh \
  --disable-geoip \
  --with-libxml2=no \
  --with-json-c=no \
  --with-libsystemd=no \
  --with-zlib=no

echo
echo '==> make'
make -j$(nproc)

unset CFLAGS CPPFLAGS
cd ..

echo
echo '==> Done'