Hi!
Joerg Sonnenberger recently committed the attached patch to pkgsrc
(for autoconf-2.66) prohibiting AC_FUNC_ALLOCA from defining a
prototype on the BSDs.
The reason was:
Do not fall through to the implicit prototype as it conflicts with
stdlib.h.
Please include (something like) this in the ne
[adding bug-gnulib, as another interested party in alloca replacements]
On 08/04/2010 03:59 PM, Thomas Klausner wrote:
> Hi!
>
> Joerg Sonnenberger recently committed the attached patch to pkgsrc
> (for autoconf-2.66) prohibiting AC_FUNC_ALLOCA from defining a
> prototype on the BSDs.
>
> The re
Eric Blake wrote:
> Rather than hard-code the check based on platform-specific defines, it
> would be more in the autoconf spirit to instead write a probe whether
> declares alloca(), and if so, define a witness macro.
Unfortunately, the code is also used in bison/data/yacc.c [1], that is, in the
Joerg Sonnenberger wrote:
> > So, I don't understand how you see a "conflict".
>
> The conflicting declarations are a result of the default namespace
> containing _NETBSD_SOURCE if no (other) standard compliance macro is
> set.
Still, I don't see how you can get a conflict with if the test
code
On 08/05/10 04:26, Bruno Haible wrote:
> -char *alloca ();
> +void *alloca ();
Thansks, I like this change too. Can you please install it?
On 08/05/2010 02:36 PM, Paul Eggert wrote:
> On 08/05/10 04:26, Bruno Haible wrote:
>
>> -char *alloca ();
>> +void *alloca ();
>
> Thansks, I like this change too. Can you please install it?
I also added the size_t argument to the prototype, then applied it.
--
Eric Blake ebl...@redhat.com
On Thu, Aug 05, 2010 at 01:26:40PM +0200, Bruno Haible wrote:
> So, I don't understand how you see a "conflict".
The conflicting declarations are a result of the default namespace
containing _NETBSD_SOURCE if no (other) standard compliance macro is
set.
> The test code in
> AC_FUNC_ALLOCA does no
On Thu, Aug 05, 2010 at 09:38:07PM +0200, Bruno Haible wrote:
> Joerg Sonnenberger wrote:
> > > So, I don't understand how you see a "conflict".
> >
> > The conflicting declarations are a result of the default namespace
> > containing _NETBSD_SOURCE if no (other) standard compliance macro is
> > s
