The verb "to make" has many, many definitions. One of them is 19a in Webster's Collegiate:
make v. = to reach ...meaning to arrive at, come to
Sometimes the pronoun 'it' as used as object.
We made it as far as the river, but we could go no further.
We made it to Moscow!
or without the 'it'
With one engine failing the airplane tried to make the airfield.
Today we made port in Dubrovnik, Croatia and it was a wonderful port.
I must have made my desk
Around a quarter after nine.....It must have been around a quarter to nine when I arrived at my desk.
With letters to be read,
and heaps of papers waiting to be signed....lots of work waiting on that desk