Robert Haas <robertmhaas@gmail.com> writes:
> On Thu, Jul 2, 2009 at 11:39 AM, Greg Stark<gsstark@mit.edu> wrote:
>> Someone doing a CVS pull already needs a specific recent version of
>> autoconf anyways. How old is this version of flex compared to the
>> version of autoconf we require?
> Really? configure is in CVS, so I don't think you need autoconf
> unless you want to modify configure.in.
Right. That's been debated on occasion in the past, but right now
only those who commit changes to configure.in (and related files)
need to have autoconf at all.
But to answer Greg's question: 8.4 and HEAD require autoconf 2.61
which was released 2006-11-17, or rather later than flex 2.5.33.
regards, tom lane