Preheat oven to 350 degrees F (175 degrees C).Place pumpkin on a baking sheet and roast in oven until brownedand tender, about 30 minutes. Meanwhile, grill eggplant on acharcoal grill or fry in a skillet, turning once, until charred andtender, 10 to 15 minutes. Halve tomatoes and place on bakingsheet in oven for last 15 minutes of pumpkin time; cook until tenderand wrinkly.In a medium bowl, stir together ricotta, feta, pesto, eggs, salt andpepper until well mixed. Fold roasted pumpkin into ricotta mixture.Spoon half of the tomato sauce into a 9x13 baking dish. Lay twopasta sheets over the sauce. Arrange a single layer of eggplantslices over pasta and top with half the ricotta mixture. Cover withtwo more pasta sheets. Arrange the roasted tomatoes evenly overthe sheets and spoon the remaining half the ricotta mixture over thetomatoes. Sprinkle with half the mozzarella. Top with remainingtwo sheets of pasta. Pour remaining tomato sauce over all andsprinkle with remaining mozzarella and Parmesan.Bake in preheated oven 30 to 40 minutes, until golden and bubbly.