Are you lonesome tonight? This cake will have you itchin' like a bug on a fuzzy tree. Even your hound dog will like it. Thank you, thank you very much.
Prepare cake according to instructions on package. Bake in a 9x13 inch pan. Allow to cool.
Combine pineapple and sugar in saucepan. Bring to a boil. Spoon over cooled cake.
In a large bowl, cream butter and cream cheese until smooth. Add powdered sugar and beat until smooth. Add vanilla. Add pecans and mix well.
Spread cream cheese frosting over cake.