bpalmer <bpalmer(at)crimelabs(dot)net> writes:
> I am running 2.13 (even on a clean checkout of 7.1.3) and the autoconf
> takes forever. However, m4 is the process that's running forever, so I
> have no doubs that the problem is there. What version do you use that
> works?
GNU m4 ... the version I have here is
$ m4 --version
GNU m4 1.4
regards, tom lane