Also, if the Temple is a large ornate building the muslim building at that site (the golden dome shrine) has to be removed. Something big has to happen to make this possible, earthquakes or a war. These "stage setters" have to precede the Rapture if it's pre, or mid, trib.
I mentioned earlier that there were three possible sites proposed for the rebuilding of the Temple. Here's a picture showing where they are, labeled A, B, and C ...
This is from the following website...
The Temple Mount in Jerusalem
Where were the First and Second Jewish Temples Located?
Site A lines up with the Golden Gate, which has been sealed up by the Muslims, because they were told that the Messiah comes through that gate to claim His kingdom (whether the Messiah actually does that or not, I don't know).
You can see some pictures of the area, shown on this other thread...
Pray for the Peace of Jerusalem
A 1925 picture of the Golden Gate is at Post #13.
A 1937 picture of the Temple Mount shows the Golden Gate clearly and as being in front of the opening to a possible rebuilt Third Temple at Site A, where the Dome of the Spirits is at..., seen at Post #14