Place cherries in a large enamel or glass saucepan.
Crush slightly with a potato masher.
Add remaining ingredients.
Cook over medium heat until mixture boils.
Reduce heat, simmer until mixture is very thick, about 2 to 4 hours.
Stir occasionally to prevent sticking.
Remove from heat; ladle into sterilized jars or freezer containers.
Chutney keeps indefinitely in refrigerator or freezer.