Re: _AC_PROG_CXX_EXIT_DECLARATION: don't `#include <stdlib.h>'

[Jim Meyering]

Paul Eggert <address@hidden> wrote:
> Jim Meyering <address@hidden> writes:
>
>> Your question suggests that this macro deserves more comments :-)
>
> OK, and thanks for cleaning up my misconceptions.  How about this
> patch instead?
>
> 2003-05-22  Jim Meyering  <address@hidden>
>             and Paul Eggert <address@hidden>
>
>       * lib/autoconf/c.m4 (_AC_PROG_CXX_EXIT_DECLARATION):
>       Remove `#include <stdlib.h>' from the list; we should never
>       make confdefs.h include <stdlib.h> or <cstdlib>, because the
>       resulting namespace pollution would cause other tests to fail.
>       Configure scripts run with some older versions of g++ and HP's
>       aCC would fail due to such an #include.  Problems reported by
>       Matthew Mueller in <http://bugs.debian.org/120704> and by
>       Keith Bostic in
>       <http://mail.gnu.org/archive/html/autoconf/2003-05/msg00063.html>.
>       In the test, use the test declaration before including <stdlib.h>,
>       as that's closer to how it'll be used.

Thanks.
I've just checked in that change.