The RELEASE file in the Apache Spark directory should look like this: Spark 1.6.1 built for Hadoop 2.7.2 Howegver, after installing the Apache Spark package using pkg, the file looks like this: Spark ORTVERSION built for Hadoop 2.7.2
I committed a fix, please update your ports tree and rebuild spark. Thanks for noticing!
A commit references this bug: Author: demon Date: Wed Nov 2 11:34:22 UTC 2016 New revision: 425141 URL: https://svnweb.freebsd.org/changeset/ports/425141 Log: Use {} to denote variable. PR: 214005 Changes: head/devel/spark/Makefile