Created attachment 200474 [details] patch USES=compiler:c++11-lang is necessary to build on GCC architectures. Tested on powerpc64 and amd64. Hardware sponsored by IntegriCloud.
A commit references this bug: Author: linimon Date: Sun Jan 13 02:27:57 UTC 2019 New revision: 490106 URL: https://svnweb.freebsd.org/changeset/ports/490106 Log: USES=compiler:c++11-lang is necessary to build this port on GCC-based architectures. PR: 234376 Submitted by: Piotr Kubaj Approved by: maintainer Changes: head/graphics/pencil2d/Makefile