makeinfo version checking

[Nick Clifton]

Hi Alex,

> Binutils 2.17 - 2.18 configure script requires texinfo 4.4 or higher to 
> be installed. The version checking code worked for 4.4 - 4.9 and broke 
> with the latest texinfo 4.11:
> 
>     if ${MAKEINFO} --version \
>        | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 
> 2>&1; then
>       :
>     else
>       MAKEINFO="$MISSING makeinfo"
>     fi
> 
> The search pattern could be changed to
> 
>     egrep 'texinfo[^0-9]*([1-3][0-9]|4\.([4-9]|[1-9][0-9])|[5-9])'
> 
> to allow two-digit 4.xx subversions.

Thanks.  Alan Modra recently checked in a patch to take care of this problem.

Cheers
   Nick