Re: [SCM] GNU Autoconf source repository branch, master, updated. v2.63-197-g291d709

[Paolo Bonzini]

Eric Blake wrote:
> According to Ralf Wildenhues on 11/16/2008 2:18 PM:
>> @@ -1743,6 +1743,7 @@ 
>> AS_IF([_AS_RUN(["AS_ESCAPE(m4_quote(_AS_VAR_ARITH_WORKS))"])],
>>  [as_func_arith ()
>>    {
>>      as_val=`expr "$[]@"`
>> +    case $? in 0|1) :;; *) false;; esac
> 
> Apologies for not reviewing this closer.  m4_quote doesn't like the
> unbalanced unquoted ) you just introduced into _AS_VAR_ARITH_WORKS.  You
> need to either change that _AS_RUN to use m4_expand (which handles
> unbalanced unquoted paren), or write [)] (so the parens are quoted), or
> add balancing ( as a shell comment.

Or use `expr "$[]@" || test $? = 1` if it is portable.

Paolo