Sebastian Huber <sebastian.hu...@embedded-brains.de> writes: > On 09.04.24 14:10, Sam James wrote: >> Sebastian Huber <sebastian.hu...@embedded-brains.de> writes: >> >>> On 20.11.23 10:56, Florian Weimer wrote: >>>> In the future, it may make sense to avoid cascading errors from >>>> the implicit declaration, especially its assumed int return type. >>>> This change here only changes the kind of the diagnostic, not >>>> its wording or consequences. >>> Maybe this change should be added to the GCC 14 release notes. >> Can you be more specific? Florian wrote about it in detail at >> https://gcc.gnu.org/gcc-14/porting_to.html#c. >> If you're referring specifically to the >> cascade-affecting-diagnostics, >> that change hasn't been made yet. >> What am I missing? > > I searched for "implicit-function-declaration" at > > https://gcc.gnu.org/gcc-14/changes.html > > and found nothing. All right, the > > https://gcc.gnu.org/gcc-14/porting_to.html > > has a description, but this is one step away from the release > notes. Maybe something like this could be added to the release notes: >
I sympathise with the request. I note that we *did* mention -fno-common at https://gcc.gnu.org/gcc-10/changes.html and just gave more detail at https://gcc.gnu.org/gcc-10/porting_to.html. (I was pretty sure we hadn't until I checked.) Gerald? > diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html > index ff69e859..90a14f37 100644 > --- a/htdocs/gcc-14/changes.html > +++ b/htdocs/gcc-14/changes.html > @@ -231,6 +231,17 @@ a work-in-progress.</p> > previous options <code>-std=c2x</code>, <code>-std=gnu2x</code> > and <code>-Wc11-c2x-compat</code>, which are deprecated but remain > supported.</li> > + <li>The following warnings are now errors (see also > + <a href="porting_to.html">Porting to GCC 14</a>): > + <ul> > + <li><code>-Werror=declaration-missing-parameter-type</code></li> > + <li><code>-Werror=implicit-function-declaration</code></li> > + <li><code>-Werror=implicit-int</code></li> > + <li><code>-Werror=incompatible-pointer-types</code></li> > + <li><code>-Werror=int-conversion</code></li> > + <li><code>-Werror=return-mismatch</code></li> > + </ul> > + </li> > </ul> > > <h3 id="cxx">C++</h3> thanks, sam
