On Wed, 01 Dec 2010 15:54:32 -0600 Randy McMurchy <ra...@linuxfromscratch.org> wrote:
> Bruce Dubbs wrote these words on 12/01/10 14:50 CST: > > In Chapter 5, we are not doing a full bootstrap, so we add > > -fomit-frame-pointer so it will produce the same codes as if it was > > a full bootstrap. > > > > In Chapter 6, we do the same thing. I think, but I'm not sure, > > that -fomit-frame-pointer is the default for x86_64. If this is > > correct, perhaps we can tweak the text a little to clarify. > > I seem to recall reading in the GCC mailing lists that > -fomit-frame-pointer is the default on all builds now. I don't recall > what version this was started. It would be easy enough to find out. > Anyone with a x86 could start a GCC build and look at the first few > times in the log where something is compiled and see if the flag is > in the line. If you see it once, you will know it is now default. > I have tried that, no the flag does not appear. But why would it if the default was otherwise? I have tried no flag, '-fomit-frame-pointer' and '-fno-omit-frame-pointer' with no difference in the cpp binary. I don't understand the whole thing. --- David Jensen -- http://linuxfromscratch.org/mailman/listinfo/lfs-dev FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page
