Created attachment 199646 [details] patch USES=compiler:c++11-lang is necessary to fix build on GCC architectures. Tested on powerpc64 and amd64. Hardware sponsored by IntegriCloud.
A commit references this bug: Author: linimon Date: Sun Dec 2 12:49:54 UTC 2018 New revision: 486412 URL: https://svnweb.freebsd.org/changeset/ports/486412 Log: USES=compiler:c++11-lang is necessary to fix build on GCC-based architectures. While here, pet portlint. PR: 233614 Submitted by: Piotr Kubaj Changes: head/math/graphthing/Makefile