Financial terms were not disclosed, but according to Michael Scotto of Sheridan Hoops, the 2015-16 season in the contract will be used as a team option.
Clark, 27, was originally signed to a 10-day contract by Brooklyn on March 27 and has averaged 4.4 points and 3.4 rebounds in the five games in which he has appeared.
He has averaged 4.4 points and three rebounds in 256 career games.
Brooklyn (35-41) is in seventh place in the Eastern Conference standings, a half-game ahead of the Boston Celtics with six regular season games remaining.
- Scooby Axson