From: Tracey Emery <tracey@traceyemery.net>
Subject: Re: Silence warnings being treated as errors on sparc64 and yacc rules reduced error
To: Theo Buehler <tb@theobuehler.org>
Cc: gameoftrees@openbsd.org, Omar Polo <op@omarpolo.com>
Date: Thu, 9 Feb 2023 07:32:02 -0700

On Thu, Feb 09, 2023 at 03:11:30PM +0100, Theo Buehler wrote:
> > >i'm still puzzled why our current mix of -W doesn't catch this with
> > >clang...
> > 
> > I wondered the same thing.
> 
> FWIW, clang 15 catches that. I believe older clang heed the implicit int
> rule from K&R.

thanks tb! good to know.

> 
> $ cc --version
> OpenBSD clang version 15.0.7
> Target: amd64-unknown-openbsd7.2
> Thread model: posix
> InstalledDir: /usr/bin
> $ pwd
> /home/tb/got/gotd
> $ make
> cc -O2 -pipe -O0 -g -Werror -Wall -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wunused-variable  -MD -MP -I/home/tb/got/gotd/../include -I/home/tb/got/gotd/../lib -I/home/tb/got/gotd -DGOT_LIBEXECDIR=/home/tb/bin -DGOT_VERSION=0.84-current -c gotd.c
> gotd.c:108:6: error: a function declaration without a prototype is
> deprecated in all versions of C [-Werror,-Wstrict-prototypes]
> usage()
>      ^
>            void
> 	   1 error generated.
> 	   *** Error 1 in /home/tb/got/gotd (<sys.mk>:87 'gotd.o')
> 

-- 

Tracey Emery