[Tile-serving] [openstreetmap/osm2pgsql] luaL_traceback is not supported in Lua 5.1, except for LuaJIT (#1153)

[mmd]

@mmd-osm commented on this pull request.



> @@ -158,11 +159,16 @@ static int pcall_error_traceback_handler(lua_State *lua_state)
 // wrapper function for lua_pcall to include a stack traceback
 int luaX_pcall(lua_State *lua_state, int narg, int nres)
 {
+// Lua 5.1 doesn't support luaL_traceback, unless LuaJIT is used
+#if LUA_VERSION_NUM < 502 && HAVE_LUAJIT == 0

I think I would change this to `#if LUA_VERSION_NUM < 502 && !defined(HAVE_LUAJIT)`

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