[PATCH cygport] autotools.cygclass: correctly detect Autoconf 2.70+

[Adam Dinwoodie]

On Sat, Mar 12, 2022 at 01:02:39PM +0000, Jon Turney wrote:
> On 11/03/2022 22:40, Adam Dinwoodie wrote:
> > -	case "x${confver}" in
> > -		x2.6[0-9]*)
> > -			confargs+=" --docdir=/usr/share/doc/${PN} --htmldir=/usr/share/doc/${PN}/html"
> > -			;;
> > -		*)
> > -			confargs+=" --infodir=${prefix}/share/info --mandir=${prefix}/share/man"
> > -			;;
> > -	esac
> > +	if [ $confver_maj -ge 2 -a $confver_min -ge 60 ] || [ $confver_maj -ge 3 ]
> 
> Great. Thanks.
> 
> I think it would be acceptable to error on autoconf >=3.0, rather than
> assuming it's going to be autoconf 2.6+ compatible.

No problem, I'll respin now.  I'd thought about doing exactly that, but
the current code looked like it was designed to assume things would be
fine unless there was a specific reason to bail out, so I tried to
follow that paradigm rather than bail out when there was no known reason
for doing so.