> -----Original Message----- > From: > [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] > org] On Behalf Of Nathan Cooprider > Sent: Thursday, July 26, 2007 8:22 PM > To: Russell Shaw > Cc: [email protected] > Subject: Re: [avr-gcc-list] -O vs. -O2 > > Russell Shaw wrote: > > What are you trying to do? Any autoconf package can be set > for -02 with: > > ./configure CFLAGS="-g -O2" > > I am using avr-gcc as part of the TinyOS package, along with > a bunch of > other non-TinyOS tools. The non-TinyOS tools do something to > the TinyOS > applications so that they compile fine with avr-gcc -O, but > then break > with -Os or -O2. My understanding is that -O2 is just -O with > some extra > command options. I looked through the manual and found what options > those were, but adding them to -O did not trigger the error. > So I was at > a loss. > > Unfortunately, I believe I am stuck using an older version of > gcc. Which > sort of makes my problem irrelevant for this list. Also, I > probably just > have to look at the actual command line options in the source > and find > out which ones -O turns on and which ones -O2 turns on. > Anyway, thanks > for the concern. >
Why do you think that you are stuck? Is it because nescc hasn't been upgraded to use a later toolchain (gcc 4.1.x)? Eric _______________________________________________ AVR-GCC-list mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/avr-gcc-list
