Re: Cleanup on AC_MSG_ERROR

[Pavel Roskin]

Hello, Akim!

> This is a first step in that direction.  I also equipped the trap with
> a trace in config.log, which should have too much information than not
> enough.  I was also surprised to discover that AC_MSG_ERROR/WARNING
> did not leave any trace in config.log.  They now do.

Great!

> +  echo "configure: exit ($exit_status)" >&AC_FD_LOG

We probably don't want parentheses to be in config.log:
echo "configure: exit $exit_status" >&AC_FD_LOG

Also we probably should take care of those shells that require
(exit 1); exit
but it should be Ok to apply your patch as is for now.

-- 
Regards,
Pavel Roskin