Fails to build:
cp jewels sudoku mines reversi checkers battleship rabbithole sos
pipes fifteen memoblocks fisher muncher miketron redsquare darrt
snakeduel /usr/games
cp: cannot create regular file '/usr/games/jewels': Permission denied
cp: cannot create regular file '/usr/games/sudoku': Permission denied
cp: cannot create regular file '/usr/games/mines': Permission denied
cp: cannot create regular file '/usr/games/reversi': Permission denied
cp: cannot create regular file '/usr/games/checkers': Permission denied
cp: cannot create regular file '/usr/games/battleship': Permission
denied
cp: cannot create regular file '/usr/games/rabbithole': Permission
denied
cp: cannot create regular file '/usr/games/sos': Permission denied
cp: cannot create regular file '/usr/games/pipes': Permission denied
cp: cannot create regular file '/usr/games/fifteen': Permission denied
cp: cannot create regular file '/usr/games/memoblocks': Permission
denied
cp: cannot create regular file '/usr/games/fisher': Permission denied
cp: cannot create regular file '/usr/games/muncher': Permission denied
cp: cannot create regular file '/usr/games/miketron': Permission denied
cp: cannot create regular file '/usr/games/redsquare': Permission
denied
cp: cannot create regular file '/usr/games/darrt': Permission denied
cp: cannot create regular file '/usr/games/snakeduel': Permission
denied