--- configure.in
+++ configure.in
@@ -37,7 +37,7 @@
         LUA_LIBS="`[$LUACONFIG --libs]`"
     else dnl ...otherwise, attempt to guess
         LUA_CFLAGS=""
-        LUA_LIBS=""
+        LUA_LIBS="-ldl"
         AC_CHECK_LIB(lua, lua_setfenv, LUA_LIBS="$LUA_LIBS -llua",
         [AC_CHECK_LIB(lua50, lua_setfenv, LUA_LIBS="$LUA_LIBS -llua50",
         [AC_CHECK_LIB(lua5.0, lua_setfenv, LUA_LIBS="$LUA_LIBS -llua5.0",