Re: func_infer_tag() broken on IRIX 6.5

[Eric Sunshine]

Gary V. Vaughan wrote:
> I've used return in a couple of places (twice with an integer return 
> value),
> which I fear may break on old platforms.  Otherwise I've assumed that all
> shell variables are in global scope, and that positional parameters are
> stacked and restored at function call boundaries to an arbitrary nesting
> limit.

Thanks for cross-posting to the Autoconf mailing list.  Unfortunately, 
the assumption about positional parameters being restored is invalid. 
Please take a look at these recent messages to the autoconf-patches 
mailing list:

http://mail.gnu.org/archive/html/autoconf-patches/2003-12/msg00009.html
http://mail.gnu.org/archive/html/autoconf-patches/2003-12/msg00016.html
http://mail.gnu.org/archive/html/autoconf-patches/2003-12/msg00018.html

I have been planning to write a blurb for the Autoconf manual regarding 
this issue, but I am, at present, still waiting for my paperwork to be 
processed.

-- ES