Re: [PATCH v2] gcc-14: Mention that some warnings are now errors

[Jonathan Wakely <jwakely@redhat.com>]

On 02/05/24 16:29 +0200, Sebastian Huber wrote:
>On 24.04.24 14:28, Sebastian Huber wrote:
>>----- Am 15. Apr 2024 um 8:05 schrieb Sebastian Huber sebastian.huber@embedded-brains.de:
>>
>>>---
>>>v2: Remove listing of options.
>>>
>>>htdocs/gcc-14/changes.html | 2 ++
>>>1 file changed, 2 insertions(+)
>>>
>>>diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
>>>index 8ac08e9a..665d050a 100644
>>>--- a/htdocs/gcc-14/changes.html
>>>+++ b/htdocs/gcc-14/changes.html
>>>@@ -231,6 +231,8 @@ 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>Some warnings are now errors by default (see also
>>>+  <a href="porting_to.html">Porting to GCC 14</a>).</li>
>>></ul>
>>>
>>><h3 id="cxx">C++</h3>
>>>--
>>>2.35.3
>>
>>Ping.
>
>I think it would be helpful to reference this change in the C section. 
>This warning to error change causes some issues with legacy software.

I agree it should be mentioned, but I would put it in the caveats
section at the top, not as the last item of the C section.

How about this? OK for wwwdocs?

-- >8 --

commit fe5fd75ea5a7a08eee0831cadbdd05689e9408db
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Fri May 3 16:04:49 2024 +0100

     Add caveat to GCC 14 release notes about C warnings-as-errors change

diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index 46a0266d..82906de1 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -40,6 +40,11 @@ a work-in-progress.</p>
        <a href="https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wflex-array-member-not-at-end"><code>-Wflex-array-member-not-at-end</code></a> to
        identify all such cases in the source code and modify them.
    </li>
+  <li><strong>C:</strong>
+      Certain warnings about are now errors, see
+      <a href="porting_to.html#warnings-as-errors">Porting to GCC 14</a>
+      for details.
+  </li>
    <li><a href="https://gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html"><code>-fcf-protection=[full|branch|return|none|check]</code></a>
        is refactored, to override <code>-fcf-protection</code>,
        <code>-fcf-protection=none</code> needs to be added and then