#!/bin/sh

if [ $1 == "--help" ]; then
  echo "Usage: configure lua51"
  echo "where lua51 is the name of your Lua executable"
  exit 0
fi

echo "Trying to find where you installed Lua..."

if [ $1 != "" ]; then
  lua=$1
else
  lua="lua51"
fi

lua_bin=`which $lua`
lua_bin_dir=`dirname $lua_bin`

lua_root=`dirname $lua_bin_dir`

if [ $lua_root != "" ]; then
  echo "Lua is in $lua_root"
  echo "Writing config"
  lua_share=$lua_root/share/lua/5.1
  lua_lib=$lua_root/lib/lua/5.1
  bin_dir=$lua_root/bin
  echo "LIB_OPTION= -shared" > config
  echo "LUA_DIR= $lua_share" >> config
  echo "BIN_DIR= $bin_dir" >> config
  echo "LUA_LIBDIR= $lua_lib" >> config
  echo "Now run 'make && sudo make install'"
else
  echo "Lua not found, please install Lua 5.1 (and put in your PATH)"
fi