Re: Problem with sh "shift" command in config.status on HP-UX

[Ralf Wildenhues]

Hello Daniel,

thanks for the report.

* Daniel Richard G. wrote on Thu, Mar 26, 2009 at 05:06:45AM CET:
> I upgraded my copy of Automake from 1.10.1 to 1.10.2, and suddenly,
> builds are failing on two separate HP-UX systems (B.11.00 on 32-bit
> PA-RISC, and B.11.23 on IA64).

Weird.  I haven't noticed such a failure.

> config.status: executing depfiles commands
> ./config.status[1763]: shift: The specified number is not valid for this 
> command.

> ----(cut here)----
> # are listed without --file.  Let's play safe and only enable the eval
> # if we detect the quoting.
> case $CONFIG_FILES in
> *\'*) eval set x "$CONFIG_FILES" ;;
> *)   set x $CONFIG_FILES ;;
> esac
> shift                 <== line 1763
> for mf
> do
>   # Strip MF so we end up with the name of the file.
>   mf=`echo "$mf" | sed -e 's/:.*$//'`
>   # Check whether this is an Automake generated Makefile or not.
> ----(snip snip snip)----
> 
> I suspect the real problem is that "shift" is being called when there are no 
> positional parameters ($1, $2, ...) to shift. (Sure enough, just before the 
> shift, $# is 0.)

But how can this be.  Just before the shift, one of the two "set"
commands is executed and sets $1 to "x".  Which is exactly what the
shift aims to undo!

Are you sure this is the position the error is happening?

Thanks,
Ralf