Messages in this thread | | | Date | Wed, 2 Jan 2002 14:56:03 +0000 (GMT) | From | "Joseph S. Myers" <> | Subject | Re: [PATCH] C undefined behavior fix |
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On Tue, 1 Jan 2002, Tom Rini wrote:
> 3) We could also try turning off this particular optimization > (-fno-builtin perhaps) on this file, and not worry about it.
In particular, it would probably make sense for the kernel to use -ffreestanding (which implies -fno-builtin) throughout then selectively enable the built-in functions that are wanted with macros such as
#define strcpy(d, s) __builtin_strcpy((d), (s))
in an appropriate header, then #undef these macros in the files that shouldn't use the built-in functions.
-- Joseph S. Myers jsm28@cam.ac.uk
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