This is slightly off topic, because it's really about Automake--so, though I'd be grateful for an answer, I'd also appreciate a reference to some other source. I would like to add a build target and rule to GCC's top-level Makefile. How do I change Makefile.def so that the Makefile I get after running configure will contain my new target and rule? Thanks! Amittai Aviram PhD Student in Computer Science Yale University 646 483 2639 amittai.aviram@xxxxxxxx http://www.amittai.com