Messages in this thread | | | Date | Tue, 25 Feb 2014 20:17:37 -0500 | From | Dave Jones <> | Subject | Re: [PATCH 2/5] kbuild: LLVMLinux: Adapt warnings for compilation with clang |
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On Tue, Feb 25, 2014 at 05:08:40PM -0800, behanw@converseincode.com wrote:
> When compiling kernel with clang, disable warnings which are too noisy, and > add the clang flag catch-undefined-behavior. > > +# Clang > +warning-1 += $(call cc-disable-warning, initializer-overrides) > +warning-1 += $(call cc-disable-warning, unused-value) > +warning-1 += $(call cc-disable-warning, format) > +warning-1 += $(call cc-disable-warning, unknown-warning-option) > +warning-1 += $(call cc-disable-warning, self-assign) > +warning-1 += $(call cc-disable-warning, sign-compare) > +warning-1 += $(call cc-disable-warning, format-zero-length) > +warning-1 += $(call cc-disable-warning, uninitialized) > +warning-1 += $(call cc-option, -fcatch-undefined-behavior)
Do you have a pointer to an example log-file from before this change ? I'm curious for eg, which self-assign warnings are showing up, because I've been fixing up the ones that Coverity found, of which there are only a dozen or so left iirc.
Some of the others may also be interesting.
Dave
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