Neither the Koran, nor Scripture have anything about a destruction of Mecca, at least by name. The only city in the Mideast that I know of as being prophetically tied to such a destruction is Damascus, and with the current situation on the ground, *that* is a distinct possibility.
That said, Iranian intentions for Mecca do not at present appear to be destruction, but takeover, using the Houthis in Yemen as a proxy force. Now, this *could* change, if an Iranian sponsored Houthi attack on Mecca bogged down or otherwise failed, but I expect the Houthi invasion attempt first...
the infowarrior