#!/bin/bash

set -e

apt-get update
apt-get install -qqy autoconf libtool libpng-dev pkg-config

echo "============================================="
echo "Compiling mozjpeg"
echo "============================================="
(
  cd node_modules/mozjpeg
  autoreconf -fiv
  emconfigure ./configure --without-simd
  emmake make libjpeg.la
)
echo "============================================="
echo "Compiling mozjpeg done"
echo "============================================="

echo "============================================="
echo "Compiling wasm bindings"
echo "============================================="
emcc \
  --bind -O3 \
  -s WASM=1 \
  -s ALLOW_MEMORY_GROWTH=1 \
  -s MODULARIZE=1 \
  -s 'EXPORT_NAME="mozjpeg_enc"' \
  -I node_modules/mozjpeg \
  -o ./mozjpeg_enc.js \
  -Wno-deprecated-register -Wno-writable-strings \
  node_modules/mozjpeg/rdswitch.c \
  -x c++ -std=c++11 \
  mozjpeg_enc.cpp \
  node_modules/mozjpeg/.libs/libjpeg.a
echo "============================================="
echo "Compiling wasm bindings done"
echo "============================================="