Thanks, I'll update the bug I opened for them.
On Thu, Nov 17, 2022 at 6:54 PM Zack Weinberg wrote:
> On 2022-11-17 9:30 AM, Zack Weinberg wrote:
> > Or even better, get rid of the AC_EGREP_CPP at the same time
> >
> > AC_CACHE_CHECK([whether we need to define $1], ac_var,
> >
Yes and yes.
On Thu, Nov 17, 2022 at 7:16 PM Paul Eggert wrote:
> On 2022-11-17 04:41, Frederic Berat wrote:
> > They have the following code in their aclocal.m4{,.cross} files:
>
> Does the attached, self-contained configure.ac illustrate the problem
> for you? I don't want to have to figure
On 11/17/22 13:35, Bruno Haible wrote:
Clang will surely not acquire knowledge about "every library", right,
only about the C library according to relevant standards (ISO C, POSIX)?
I don't know the Clang developers' plans. But if I wanted Clang to be
picky then yes, I'd have it know about
Paul Eggert wrote:
> > AC_CHECK_FUNC *should not* just probe for linkability of a symbol
>
> ... Autoconf cannot
> be expected to know every signature of every function in every library.
Clang will surely not acquire knowledge about "every library", right,
only about the C library according to
On 2022-11-16 10:59, Zack Weinberg wrote:
I'm generally in agreement with Rich Felker's argument
(inhttps://ewontfix.com/13/) that AC_CHECK_FUNC*should not* just probe for
linkability of a symbol
So am I. I'm not saying Autoconf should never change here, only that the
change would not be
On 2022-11-16 10:40, Jeffrey Walton wrote:
This line of arguments is not persuasive. It is full of logical fallacies.
... none of which you stated.
No matter how we solve the problem, it will be a hack that exploits
"logical fallacies" (whatever that means). However, a reaction "You
On 2022-11-17 04:41, Frederic Berat wrote:
They have the following code in their aclocal.m4{,.cross} files:
Does the attached, self-contained configure.ac illustrate the problem
for you? I don't want to have to figure out all of Wine.
Also, can you narrow down which Autoconf commit causes
On 2022-11-17 9:30 AM, Zack Weinberg wrote:
Or even better, get rid of the AC_EGREP_CPP at the same time
AC_CACHE_CHECK([whether we need to define $1], ac_var,
[AC_PREPROC_IFELSE([[#ifndef $1
#error not defined
#endif]],
[AS_VAR_SET(ac_var,yes)],[AS_VAR_SET(ac_var,no)])])
On Thu, Nov 17, 2022, at 7:41 AM, Frederic Berat wrote:
> One more failure analysis, this time for Wine.
> They have the following code in their aclocal.m4{,.cross} files:
...
> dnl Check whether we need to define a symbol on the compiler command
> line
> dnl
> dnl Usage:
Hello again,
One more failure analysis, this time for Wine.
They have the following code in their aclocal.m4{,.cross} files:
dnl Check whether we need to define a symbol on the compiler command
line
dnl
dnl Usage: WINE_CHECK_DEFINE(name),[action-if-yes,[action-if-no]])
dnl
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