Chris Staub wrote: > On 12/04/2009 08:29 PM, Bruce Dubbs wrote: >> Ken Moffat wrote: >>> 2009/12/5 Bruce Dubbs<bruce.du...@gmail.com>: >>> >>> A *bootstrap* build on x86_64 doesn't use that option, but we >>> are passing it anyway (so, presumably, our second set of >>> compilers are built differently from a bootstrap (and from our >>> final set of compilers). >> -fomit-frame-pointer in this context is only an optimization to gcc >> itself, not it's output. Does this optimization or lack of it really >> make a difference for our intermediate compiler?
> The issue is simply consistency in the book's instructions. Both GCC > Pass 2 and GCC in Chapter 6 have a sed that adds -fomit-frame-pointer. > However, in Chapter 6 this command is in a case statement that causes it > to be applied for x86 only, but the command in GCC Pass 2 is not. If you > are saying however that it is not important for the temporary compiler, > then do you mean that the sed should be removed from Chapter 5 entirely? I don't consider myself a tool-chain expert, but I don't see why not. I suspect it was only there for ICA analysis when the new toolchain was introduced. I don't see it in Greg's DIY site, but it may be in a patch. I didn't look at those. -- Bruce -- http://linuxfromscratch.org/mailman/listinfo/lfs-dev FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page
