The phrase “making a house” means “continuing the posterity” of a person, and, in the case of a royal person, “maintaining his descendants upon the throne.”
Related Commentaries of 1 Kings 2:24
1 Kings 2:24
24 Now therefore, as the LORD liveth, which hath established me, and set me on the throne of David my father, and who hath made me an house, as he promised, Adonijah shall be put to death this day.