[cmake-developers] Clang 3.5-svn emmits tautological-pointer-compare warning

Christoph Grüninger foss at grueninger.de
Sun Jun 22 17:54:58 EDT 2014


Hi Ben,
thanks for your investigations. Should I ask on the LLVM mailing list
whether they can answer the open questions? Or does anyone on this
mailing list have any related knowledge?

Bye
Christoph

> Hmm. I don't see anything in the docs which states that uname must
> always have non-NULL in 'release'. Maybe clang is using extra
> information from the implementation of uname (which may be a macro)?
> 
> It is under a __linux defined block, so maybe if uname was guaranteed to
> be non-NULL for Linux at least, it'd be acceptable IMO.
> 
> --Ben



More information about the cmake-developers mailing list