Messages in this thread | | | Date | Tue, 10 Jul 2007 13:44:47 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [x86 setup 16/33] String-handling functions for the new x86 setup code. |
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Segher Boessenkool wrote: >> Nope. The builtins not only vary between gcc versions, but they also >> have a nasty tendency to generate calls to library functions, sometimes >> libgcc functions. Hence -ffreestanding. > > -ffreestanding will still generate calls to libgcc functions. > -ffreestanding doesn't disable _all_ of the C library, either. >
No, it doesn't, but it does inhibit builtin functions, and so provides a bit more ABI stability.
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