#!/bin/bash

BUILD_TYPE="debug"

while [[ $# > 0 ]];do
  case $1 in
    --release)
      BUILD_TYPE="release"
      shift
      ;;
    *|-*|--*)
      echo "Unknown option $1"
      exit 1
      ;;
  esac
done

CC=clang
CFLAGS="-Wall $(pkg-config --cflags sdl2)"
LIBS="$(pkg-config --libs sdl2)"
MAIN=src/main.c
MAIN_FLAGS=""
GAME=src/game.c
GAME_FLAGS="-DNDEBUG"
OUT=main
GAME_OUT=""

if [[ $BUILD_TYPE == "debug" ]]; then
	CFLAGS+=" -g"
	MAIN_FLAGS="-ldl -Wl,-rpath,\$ORIGIN"
	GAME_FLAGS+=" -fPIC -shared"
	GAME_OUT="-o game.so"
	MAIN+=" src/game.c"
else
	CFLAGS+=" -O3"
	MAIN_FLAGS="-DNDEBUG"
	GAME_FLAGS+=" -c"
	MAIN+=" game.o"
fi

LOCKFILE="game.so.lock"
touch $LOCKFILE && (set -x ; $CC $CFLAGS $GAME_FLAGS $LIBS $GAME $GAME_OUT)
if [[ -f $LOCKFILE ]];then
	rm $LOCKFILE
fi
(set -x ; $CC $CFLAGS $MAIN_FLAGS $LIBS $MAIN -o $OUT)