שמואל א טו:יב פירוש: רש״י

And is setting up a place for himself. He is building an altar for himself. That is the altar referred to concerning Eliyohu, 'he repaired the ruined altar of Adonoy.'¹⁷Melachim I 18:30. Targum Yonoson renders, 'and he is making room there for himself to divide the spoils.'