The print/a2ps port is not reproducible. As part of reproducible-builds effort, the port should be reproducible and should not depend on build environment. The README template file has @date@ which depends on current system date and makes the build not reproducible. Please see the below url to know more about reproducible-builds project. https://reproducible-builds.org/
Created attachment 187986 [details] patch for reproducibility
Thanks, I will commit a slighty modifed patch.
A commit references this bug: Author: dinoex Date: Tue Nov 14 07:19:10 UTC 2017 New revision: 454166 URL: https://svnweb.freebsd.org/changeset/ports/454166 Log: - make file reproducible PR: 223660 Submitted by: ksraman.91 Changes: head/print/a2ps/files/patch-etc-README.in