On Tue, Nov 17, 2015 at 1:53 AM, Stephan Müller
<muellste@math.hu-berlin.de> wrote:
> Hello,
>
> building difftools (from Oct 2015) fails without gperf. A check for
> gperf should be added to the configure script.
>
> I am not really into it, but autoconf should be able to recognize this
> dependency itself? Any Ideas?

Thank you for the report. That was a bug, indeed.
The attached patch records the requirement in bootstrap.conf,
so that those building from DVCS notice it. Others should not
require gperf, because the gperf-generated files are always
generated and up-to-date in a distribution tarball.