Don't compile Lua on UNIX

CMakeLists.txt

@@ -79,9 +79,11 @@ ENDIF()
 #add depends to include path
 INCLUDE_DIRECTORIES ( library/depends )
 
-# build the static lua for dfusion
-INCLUDE_DIRECTORIES ( lua/include )
-add_subdirectory (lua)
+IF(!UNIX)
+    # build the static lua for dfusion, win32 only
+    INCLUDE_DIRECTORIES ( lua/include )
+    add_subdirectory (lua)
+ENDIF()
 
 # build the lib itself
 IF(BUILD_LIBRARY)

library/Core.cpp

@@ -62,7 +62,6 @@ using namespace DFHack;
 #include <stdlib.h>
 #include <fstream>
 #include "tinythread.h"
-#include <llex.h>
 
 using namespace tthread;
 using namespace df::enums;