Created attachment 198785 [details] patch GCC architectures require linking with libosgDB. While here, remove support for Clang < 4.0 (only in 10.3, goes EOL tomorrow) and GCC < 6 (we use GCC7 on GCC architectures anyway). Tested on powerpc64 and amd64.
A commit references this bug: Author: martymac Date: Thu Nov 8 19:29:15 UTC 2018 New revision: 484471 URL: https://svnweb.freebsd.org/changeset/ports/484471 Log: devel/simgear: GCC architectures require linking with libosgDB [1] Also, remove support for Clang < 4.0 and GCC < 6 for devel/simgear [1] and games/flightgear ports. PR: 232832 [1] Submitted by: Piotr Kubaj <pkubaj@anongoth.pl> [1] Changes: head/devel/simgear/Makefile head/games/flightgear/Makefile
Committed, thanks!