Created attachment 198300 [details]
This port uses -std=gnu++11, so it needs USES=compiler:c++11-lang to build on architectures using GCC in base.
I tested on powerpc64 and amd64, the port partially builds but further on, I get SSL-related error (I have CURRENT with OpenSSL 1.1.1).
On older releases, this should fix build.
Hardware sponsored by IntegriCloud.
A commit references this bug:
Date: Tue Oct 30 12:02:52 UTC 2018
New revision: 483479
Fix build on gcc-based archs.
Submitted by: email@example.com
Approved by: portmgr (tier-2 blanket)