Simple Lua + C++ template

readme.md

#Simlistic Lua 5.2 and C++ project To build, fetch lua and run do the following:

#fetch this gist
git clone https://gist.github.com/821b1868e556238eae2b.git clue
cd clue
#configure everything with cmake
cmake .
#download and build lua, build project
make
#run project
bin/clue

CMakeLists.txt

cmake_minimum_required(VERSION 2.8.4)
project(clue)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_SOURCE_DIR}/bin/")

include("lua.cmake")

set(SOURCE_FILES main.cpp)
add_executable(clue ${SOURCE_FILES})

add_dependencies(clue ${Lua_TARGET})
target_link_libraries(clue ${LUA_LIBRARIES})

lua.cmake

include(ExternalProject)

if(WIN32)
  set(cExtraFlags)
  set(cxxExtraFlags)
else()
  set(cExtraFlags -w)
  set(cxxExtraFlags -w)
endif()

# a cmakeified version of lua
ExternalProject_Add(lua
  URL https://github.com/LuaDist/lua/archive/5.2.3.tar.gz
  URL_MD5 710bba91186bb672b829cd05d78b614d
  CMAKE_ARGS -Wno-dev
  CMAKE_CACHE_ARGS
    -DBUILD_SHARED_LIBS:BOOL=OFF
    -DCMAKE_CXX_COMPILER:FILEPATH=${CMAKE_CXX_COMPILER}
    "-DCMAKE_CXX_FLAGS:STRING=${CMAKE_CXX_FLAGS} ${cxxExtraFlags}"
    -DCMAKE_C_COMPILER:FILEPATH=${CMAKE_C_COMPILER}
    "-DCMAKE_C_FLAGS:STRING=${CMAKE_C_FLAGS} ${cExtraFlags}"
    -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
    -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
  )
ExternalProject_Get_Property(lua INSTALL_DIR)
ExternalProject_Get_Property(lua BINARY_DIR)
if(WIN32)
  set(LUA_LIBRARIES debug ${BINARY_DIR}/Debug/lua.lib
  optimized ${BINARY_DIR}/Release/lua.lib)
else()
  set(LUA_LIBRARIES ${BINARY_DIR}/liblua.a)
endif()
set(lua_include_dir ${INSTALL_DIR}/include)
include_directories(SYSTEM ${lua_include_dir})
link_directories(${BINARY_DIR})
set(Lua_TARGET lua)

main.cpp

#include <iostream>
#include <lua.hpp>

int main() {
    lua_State *L = luaL_newstate();
    luaL_openlibs(L);
    const char *lc = "print('Hello from lua!');";
    luaL_loadbuffer(L, lc, strlen(lc), 0);
    lua_pcall(L, 0, 0, 0);
    lua_close(L);
}