This volume constitutes the proceedings of the ?rst ACM SIGPLAN/SIGSOFT International Conference on Generative Programming and Component Engine- ing (GPCE 2002), held October 6 8, 2002, in Pittsburgh, PA, USA, as part of the PLI 2002 event, which also included ICFP, PPDP, and a?liated workshops. The future of Software Engineering lies in the automation of tasks that are performed manually today. Generative Programming (developing programs that synthesize other programs), Component Engineering (raising the level of mo- larization and analysis in application design), and Domain-Speci?c...