Date: Mon, 17 Feb 92 08:56:42 GMT From: kuku AT acds DOT physik DOT rwth-aachen DOT de (Christoph Kukulies) To: djgpp AT sun DOT soe DOT clarkson DOT edu Subject: gcc -O ? Status: O >pstephan AT mcs DOT kent DOT edu posted a problem (with sample code) producing >wrong results when compiled with -O I just tested your example andI'm getting the correct results in either case, with and without -O. (djgpp 1.05, gcc -o tes tes.c -lm -lc , gcc -O -o tes tes.c -lm -lc) Which version of djgpp are you using? Is your include path adjusted correctly? --Chris