On Wed, Nov 05, 2025 at 03:43:35PM +0000, Stuart Henderson wrote:
> On 2025/11/05 16:03, Claudio Jeker wrote:
> > gcc15 is very bleading edge, it is ahead of base clang when it comes to
> > support C23 and that just breaks too much.
> > 
> > This diff reduces the pain by switching back to C17 by default and
> > turning -Wimplicit-function-declaration and -Wincompatible-pointer-types
> > back into simple warnings.
> 
> btw, standard clang does error on those as well, we patched to disable it.
> 
> some other discussion on the topic,
> 
> https://trac.macports.org/wiki/WimplicitFunctionDeclaration
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91092
> https://discourse.llvm.org/t/configure-script-breakage-with-the-new-werror-implicit-function-declaration/65213/23
> https://wiki.gentoo.org/wiki/Modern_C_porting
> 
> your changes make sense to me for now.
> 
> I agree with patching the compiler to turn these back to simple warnings
> at this time. we can't handle fixes for these on a less common arch
> especially when the compiler change will throw up other problems.
> 
> but we should probably look at doing test builds on amd64 with the
> error reenabled in clang and check logs to figure out how painful it's
> going to be to actually fix things.

I agree with that approach but I would suggest to first cleanup base :) 

-- 
:wq Claudio