On Thu, 6 Sep 2007, Bill McEnaney wrote: > Hi, folks, > > My workstation complained about syntax errors in gcc-4.2.1's > stdarg.h when they workstation was building SWI-Prolog version > 5.6.40. Should I install an earlier version of gcc to solve the > problem? Since I'm only a beginner in C, I don't dare revise the > header file. Thanks. can you post a copy of the output? rday