jerry zhai wrote: > I was installing gcc on my linux, I found there is a > "xgcc" and "cc1" in the source tree, and meanwhile I got a system gcc > in directory /usr/bin. The make build stage completed successfully, > but when I type "make install", it produced error like > "cc1: unrecognized option `-Wold-style-definition'" > > I checked and found that it was because cc1 called by make > program was my system gcc, version 3.2 , which didn't support those > flags. I wonder which should called for installation process , the > accompany xgcc or the system gcc? And how? Just modify the PATH > variable ? This usually happens because something has changed between the time ypu ran configure and the time you ran install. Perhaps, for example, the PATH has changed. Andrew.