commit d8dbda3636a91eba52c97450b58f767d5a4a376e
Author: hasufell <hasufell@gentoo.org>
Date:   Mon Nov 25 00:25:55 2013 +0100

    add USE_LUAJIT option

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a30dc98..a1fee7a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -179,24 +179,29 @@ if(USE_FREETYPE)
 endif(USE_FREETYPE)
 
 
-find_library(LUA_LIBRARY luajit
-		NAMES luajit-5.1)
-find_path(LUA_INCLUDE_DIR luajit.h
-	NAMES luajit.h
-	PATH_SUFFIXES luajit-2.0)
-message (STATUS "LuaJIT library: ${LUA_LIBRARY}")
-message (STATUS "LuaJIT headers: ${LUA_INCLUDE_DIR}")
+option(USE_LUAJIT "Use luajit instead of lua" OFF)
 
 set(USE_LUAJIT 0)
-if(LUA_LIBRARY AND LUA_INCLUDE_DIR)
-	message (STATUS "LuaJIT found.")
-	set(USE_LUAJIT 1)
-else(LUA_LIBRARY AND LUA_INCLUDE_DIR)
-	message (STATUS "LuaJIT not found, using bundled Lua.")
-	set(LUA_INCLUDE_DIR "${PROJECT_SOURCE_DIR}/lua/src")
-	set(LUA_LIBRARY "lua")
-	add_subdirectory(lua)
-endif(LUA_LIBRARY AND LUA_INCLUDE_DIR)
+if(USE_LUAJIT)
+	find_library(LUA_LIBRARY luajit
+			NAMES luajit-5.1)
+	find_path(LUA_INCLUDE_DIR luajit.h
+		NAMES luajit.h
+		PATH_SUFFIXES luajit-2.0)
+	if(LUA_LIBRARY AND LUA_INCLUDE_DIR)
+		message (STATUS "LuaJIT found")
+		set(USE_LUAJIT 1)
+	else(LUA_LIBRARY AND LUA_INCLUDE_DIR)
+		message (FATAL_ERROR "LuaJIT not found!")
+	endif(LUA_LIBRARY AND LUA_INCLUDE_DIR)
+else(USE_LUAJIT)
+	find_package(Lua51)
+	if(LUA51_FOUND)
+		message (STATUS "Lua51 found")
+	else(LUA51_FOUND)
+		message (FATAL_ERROR "Lua51 not found!")
+	endif(LUA51_FOUND)
+endif(USE_LUAJIT)
 
 mark_as_advanced(LUA_LIBRARY)
 mark_as_advanced(LUA_INCLUDE_DIR)
