Re: [SCM] GNU Autoconf source repository branch, master, updated. v2.63b-70-g9c25a39

[Paolo Bonzini]

On 07/11/2009 10:11 AM, Ralf Wildenhues wrote:
> * Eric Blake wrote on Thu, Jul 09, 2009 at 02:25:49PM CEST:
> > According to Ralf Wildenhues on 7/9/2009 12:19 AM:
> > > @@ -994,7 +994,8 @@ AT_CHECK([${CONFIG_SHELL-$SHELL} -c 'test -n 
> > > "${BASH_VERSION+set}]]dnl
> > >   [[${ZSH_VERSION+set}${TEST_PARALLEL_AUTOTEST+set}"' || exit 77])
> > >   # The parallel scheduler requires mkfifo and job control to work.
> > >   AT_CHECK([mkfifo fifo || exit 77])
> > > -AT_CHECK([${CONFIG_SHELL-$SHELL} -c '(set -m&&  set +m) || exit 77'])
> > > +AT_CHECK([${CONFIG_SHELL-$SHELL} -c '(set -m&&  set +m) || exit 77'],
> > > +        [], [], [ignore])
> > Hmm, shouldn't we also ignore stderr if mkfifo fails?
>
> Hmm, probably; but I haven't encountered that issue.  Is it documented
> unclearly, or implemented wrongly, that an exit status of 77 does not
> override a mismatched stdout/stderr with AT_CHECK?

The implementation is correct.  First at_fn_check_status exits if the 
test's exit status 77.  Then at_failed is checked and at_fn_log_failure 
is invoked if it is true, but at this point we already exited.

Paolo