Created attachment 203556 [details] patch Add USES=compiler:c++11-lang to fix compilation on GCC architectures. Tested on powerpc64 and amd64.
Committed, thanks!
A commit references this bug: Author: yuri Date: Wed Apr 10 08:14:48 UTC 2019 New revision: 498543 URL: https://svnweb.freebsd.org/changeset/ports/498543 Log: comms/soapyairspy: fix build with GCC-based architectures PR: 237174 Submitted by: Piotr Kubaj <pkubaj@anongoth.pl> Changes: head/comms/soapyairspy/Makefile