[Request for Help] Reducing gcc 4.9 compilation warnings

Benjamin Kaduk bjk at freebsd.org
Mon Apr 20 16:46:42 UTC 2015

On Sun, 19 Apr 2015, Adrian Chadd wrote:

> I just got a booting mips32 kernel using gcc-4.9.2, and boy are there
> a lot of warnings. I'm going to start fixing the ones I find - cleaner
> code is better code. Mostly.
> (I'd be happy with -Wall -Werror.)

I thought that -Wall was a fixed set of warnings nowhere close to all of
them (to avoid breaking peoples' builds as new warnings are introduced),
and a larger set would be better.  (Things like -Wmaybe-uninitialized have
too many false positives to be a desirable -Werror target, though.)


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