#!/usr/bin/env bash

set -euo pipefail

build_and_install() {
  export MAKEFLAGS=-j`nproc`
  export CFLAGS="-fpic -flto"
  cmake -DCMAKE_INSTALL_PREFIX=/usr/local -G"Unix Makefiles"
  make
  make install
}

install_build_dependencies() {
  ensure_libjpeg_is_fast

  if [ "$DISTRO" = centos ]; then
    yum install -y cmake gcc
    return
  fi

  apt-get update
  apt-get install -y cmake gcc
}

ensure_libjpeg_is_fast() {
  if [ "$DISTRO" = centos ]; then
    yum install -y nasm
    return
  fi

  apt-get update
  apt-get install -y nasm
}

prepare_libjpeg_source() {
  git clone --depth=1 https://github.com/libjpeg-turbo/libjpeg-turbo.git
  cd libjpeg-turbo
}

source_dir=$(dirname "$0")
. "$source_dir/common.sh"

install_build_dependencies
prepare_libjpeg_source
build_and_install