On Wed, Nov 16, 2022, at 1:17 PM, Paul Eggert wrote:
...
> If Clang's threatened pickiness were of some real use elsewhere, it
> might be justifiable for default Clang to break Autoconf. But so far we
> haven't seen real-world uses that would justify this pickiness for
> Autoconf's use of 'char
On Wed, Nov 16, 2022 at 1:18 PM Paul Eggert wrote:
> ...
> If Clang's threatened pickiness were of some real use elsewhere, it
> might be justifiable for default Clang to break Autoconf. But so far we
> haven't seen real-world uses that would justify this pickiness for
> Autoconf's use of 'char
On 2022-11-16 06:26, Michael Matz wrote:
char foobar(void);
int main(void) {
return != 0;
}
That still has undefined behavior according to draft C23, which says
behavior is undefined when foobar is (say) 'memset_explicit' because the
declaration 'char memset_explicit(void);' disagrees
On Wed, 16 Nov 2022 at 16:34, Michael Matz wrote:
>
> Hello,
>
> On Wed, 16 Nov 2022, Jonathan Wakely wrote:
>
> > > > Unrelated but I was a bit tempted to ask for throwing in
> > > > -Wbuiltin-declaration-mismatch to default -Werror while Clang 16 was at
> > > > it, but I suppose we don't want
Hello,
On Wed, 16 Nov 2022, Jonathan Wakely wrote:
> > > Unrelated but I was a bit tempted to ask for throwing in
> > > -Wbuiltin-declaration-mismatch to default -Werror while Clang 16 was at
> > > it, but I suppose we don't want the world to burn too much,
> >
> > :-) It's IMHO a bug in the
On Wed, 16 Nov 2022 at 15:59, Michael Matz wrote:
>
> Hello,
>
> On Wed, 16 Nov 2022, Sam James wrote:
>
> > Unrelated but I was a bit tempted to ask for throwing in
> > -Wbuiltin-declaration-mismatch to default -Werror while Clang 16 was at
> > it, but I suppose we don't want the world to burn
Hello,
On Wed, 16 Nov 2022, Sam James wrote:
> Unrelated but I was a bit tempted to ask for throwing in
> -Wbuiltin-declaration-mismatch to default -Werror while Clang 16 was at
> it, but I suppose we don't want the world to burn too much,
:-) It's IMHO a bug in the standard that it misses
On Wed, 16 Nov 2022, Michael Matz via Gcc wrote:
> I sympathize, and I would think a compiler emitting an error (not a
> warning) in the situation at hand (in absence of -Werror) is overly
> pedantic. But, could autoconf perhaps avoid the problem? AFAICS the
> ac_fn_c_check_func really
> On 16 Nov 2022, at 15:27, Richard Biener wrote:
>
> On Wed, Nov 16, 2022 at 4:02 PM Michael Matz via Gcc wrote:
>>
>> Hey,
>>
>> On Wed, 16 Nov 2022, Alexander Monakov wrote:
>>
The idea is so obvious that I'm probably missing something, why autoconf
can't use that idiom
On Wed, Nov 16, 2022 at 4:02 PM Michael Matz via Gcc wrote:
>
> Hey,
>
> On Wed, 16 Nov 2022, Alexander Monakov wrote:
>
> > > The idea is so obvious that I'm probably missing something, why autoconf
> > > can't use that idiom instead. But perhaps the (historic?) reasons why it
> > > couldn't be
Hey,
On Wed, 16 Nov 2022, Alexander Monakov wrote:
> > The idea is so obvious that I'm probably missing something, why autoconf
> > can't use that idiom instead. But perhaps the (historic?) reasons why it
> > couldn't be used are gone now?
>
> Ironically, modern GCC and LLVM optimize ' != 0'
Hi,
On Tue, 15 Nov 2022, Paul Eggert wrote:
> On 2022-11-15 11:27, Jonathan Wakely wrote:
> > Another perspective is that autoconf shouldn't get in the way of
> > making the C and C++ toolchain more secure by default.
>
> Can you cite any examples of a real-world security flaw what would be
>
Hi Bruno.
> Since this is a significant contribution (regardless whether it finally
> goes into Gnulib [2] or into Binutils [3]), we will need a copyright
> assignment
> to the FSF for this code. Are you already aware how this works, in your
> context
> as an Oracle employee? Maybe José
> I'm not really sure what to do about ACE4_READ_NAMED_ATTRS and
> ACE4_WRITE_NAMED_ATTRS; those are not the same as Linux extended attributes.
> This will need a bit of testing against various NFSv4 servers to give
> reasonable results.
Can we just commit the code as-is without the extra
14 matches
Mail list logo
