Created attachment 199911 [details]
FreeBSD uses different name for POWER architecture port than Linux.
Already upstreamed at https://github.com/nwchemgit/nwchem/commit/ce7c387b4f37c70947cb3b41a6beaf8fce628634 so you may as well just upgrade to newer snapshot.
Hardware sponsored by IntegriCloud.
A commit references this bug:
Date: Fri Dec 7 00:41:36 UTC 2018
New revision: 486816
science/nwchem: fix build on powerpc64
Submitted by: Piotr Kubaj <firstname.lastname@example.org>
Different version of the patch committed.