This may be a bit of a stupid question, but are you sure that you're using GNU make and that it's at least as recent as the documentation you were reading? Lyle -----Original Message----- From: y2bismil@xxxxxxxxxxxxxxxxxxxx [mailto:y2bismil@xxxxxxxxxxxxxxxxxxxx] Hey, Not sure what the %exec is for. Just following what's already in most of the make files. It just seems to execute what comes after it as if it were a system command and it displays the command itself. Yamin