Created attachment 204013 [details] patch Add USES=compiler:c++11-lang to fix linking issue with base GCC. Tested on powerpc64 and amd64.
Thanks, feel free to take maintainership
A commit references this bug: Author: pkubaj Date: Sat Apr 27 08:44:39 UTC 2019 New revision: 500198 URL: https://svnweb.freebsd.org/changeset/ports/500198 Log: multimedia/ffmpeg0: fix build with GCC-based architectures Add USES=compiler:c++11-lang to fix linking to other libraries compiled by new GCC. PR: 237563 Approved by: wg (maintainer), tcberner (mentor) Differential Revision: https://reviews.freebsd.org/D20057 Changes: head/multimedia/ffmpeg0/Makefile
Committed, thanks! Not taking maintainership, I'm just fixing ports build failures.