Kentucky Butter Cake Bundt

For the Cake 3 cups unbleached flour 2 cups white sugar 1 tsp salt 1 tsp baking powder 1/2 tsp baking soda 1 cup buttermilk 1 cup butter 2 tsp vanilla 4 eggs For the Glaze 3/4 cup sugar 1/3 cup butter 3 Tbsp water 2 tsp vanilla extract