Created attachment 203931 [details] patch Add USES=compiler:c11 to fix build on GCC architectures. Tested on powerpc64 and amd64.
Committed, thanks!
A commit references this bug: Author: yuri Date: Tue Apr 23 16:53:10 UTC 2019 New revision: 499769 URL: https://svnweb.freebsd.org/changeset/ports/499769 Log: net-p2p/py-libtorrent-rasterbar: fix build with GCC-based architectures PR: 237498 Reported by: pkubaj Changes: head/net-p2p/py-libtorrent-rasterbar/Makefile