You are now in the directory for the port "devel/autoconf" (package name "autoconf-2.53_1").
This is the one-line description for this port:
Automatically configure source code on many Un*x platforms
Please read the "description file" for a longer description.
Go to the top of the ports tree for a summary on how to use the ports collection.
This port requires package(s) "help2man-1.29 m4-1.4_1 perl-5.6.1_11" to build.
This port requires package(s) "m4-1.4_1" to run.