diff -up podofo-0.9.1/tools/podofocolor/lua_compat.h.lua52 podofo-0.9.1/tools/podofocolor/lua_compat.h
--- podofo-0.9.1/tools/podofocolor/lua_compat.h.lua52	2010-12-29 18:36:59.000000000 +0100
+++ podofo-0.9.1/tools/podofocolor/lua_compat.h	2013-08-20 16:23:00.356712464 +0200
@@ -11,14 +11,38 @@ extern "C" {
 #define LUA_VERSION_NUM 0
 #endif
 
-// Handle an API difference in the dofile call between
+// Handle an API difference in the lua_open call between
+// Lua 5.1 and Lua 5.2.
+#if LUA_VERSION_NUM >= 502
+inline lua_State* imp_lua_open(void) {
+    return luaL_newstate();
+}
+inline size_t imp_lua_objlen(lua_State *L, int index) {
+    return lua_rawlen(L, index);
+}
+#else
+inline lua_State* imp_lua_open(void) {
+    return lua_open();
+}
+inline size_t imp_lua_objlen(lua_State *L, int index) {
+    return lua_objlen(L, index);
+}
+#endif
+
+// Handle an API difference in the dofile and getn calls between
 // Lua 5.0 and Lua 5.1.
 #if LUA_VERSION_NUM >= 501
 inline int imp_lua_dofile(lua_State* L, const char * path) {
     return luaL_dofile(L, path);
 }
+inline int imp_lua_getn(lua_State *L, int t) {
+    return imp_lua_objlen(L, t);
+}
 #else
 inline int imp_lua_dofile(lua_State* L, const char * path) {
     return lua_dofile(L, path);
 }
+inline int imp_lua_getn(lua_State *L, int t) {
+    return luaL_getn(L, t);
+}
 #endif
diff -up podofo-0.9.1/tools/podofocolor/luaconverter.cpp.lua52 podofo-0.9.1/tools/podofocolor/luaconverter.cpp
--- podofo-0.9.1/tools/podofocolor/luaconverter.cpp.lua52	2010-12-29 19:08:31.000000000 +0100
+++ podofo-0.9.1/tools/podofocolor/luaconverter.cpp	2013-08-20 16:23:00.356712464 +0200
@@ -44,7 +44,7 @@ using namespace PoDoFo;
 LuaMachina::LuaMachina()
 {
 	/* Init the Lua interpreter */
-	L = lua_open();
+	L = imp_lua_open();
 	if (!L)
 	{
 		throw std::runtime_error("Whoops! Failed to open lua!");
@@ -117,7 +117,7 @@ PdfColor LuaConverter::GetColorFromRetur
     size_t len;
 
     luaL_checktype(m_machina.State(), 1, LUA_TTABLE);
-    len = luaL_getn( m_machina.State(), -1 );
+    len = imp_lua_getn( m_machina.State(), -1 );
     // Lua 5.1 only
     //len = lua_objlen( m_machina.State(), -1 );
 
diff -up podofo-0.9.1/tools/podofoimpose/lua_compat.h.lua52 podofo-0.9.1/tools/podofoimpose/lua_compat.h
--- podofo-0.9.1/tools/podofoimpose/lua_compat.h.lua52	2008-10-16 11:10:18.000000000 +0200
+++ podofo-0.9.1/tools/podofoimpose/lua_compat.h	2013-08-20 16:23:00.357712447 +0200
@@ -11,7 +11,19 @@ extern "C" {
 #define LUA_VERSION_NUM 0
 #endif
 
-// Handle an API difference in the dofile call between
+// Handle an API difference in the lua_open call between
+// Lua 5.1 and Lua 5.2.
+#if LUA_VERSION_NUM >= 502
+inline lua_State* imp_lua_open(void) {
+    return luaL_newstate();
+}
+#else
+inline lua_State* imp_lua_open(void) {
+    return lua_open();
+}
+#endif
+
+// Handle an API difference in the dofile and getn calls between
 // Lua 5.0 and Lua 5.1.
 #if LUA_VERSION_NUM >= 501
 inline int imp_lua_dofile(lua_State* L, const char * path) {
diff -up podofo-0.9.1/tools/podofoimpose/planreader_lua.cpp.lua52 podofo-0.9.1/tools/podofoimpose/planreader_lua.cpp
--- podofo-0.9.1/tools/podofoimpose/planreader_lua.cpp.lua52	2013-08-20 16:23:00.357712447 +0200
+++ podofo-0.9.1/tools/podofoimpose/planreader_lua.cpp	2013-08-20 16:24:50.856848739 +0200
@@ -24,7 +24,7 @@ LuaMachina::LuaMachina()
 {
 	int error;
 	/* Init the Lua interpreter */
-	L = lua_open();
+	L = imp_lua_open();
 	if (!L)
 	{
 		throw std::runtime_error("Whoops! Failed to open lua!");