On Mon, Nov 19, 2001 at 01:16:05PM -0800, Peter Jay Salzman wrote: > can that be right? i was able to compile both the devfs and non-devfs > versions of grumpy with -O3. > > the only difference between the two is that -O3 implies -finline-functions, > and -O2 doesn't. would that really break compiling? > > pete I read somewhere that a lot of kernel code depends on the characterstics of optimization generated code and would simply not work without -O2. I can't provide a pointer to that info. >From my own experience I know that without optimization at all your module would fail insmod for unresolved symbols. I haven't tried -o3. Perhaps someone else can elaborate on this point. -Etay Meiri -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/
