Created attachment 200461 [details] patch src/MainFrame.cpp needs to include <functional> to build on GCC architectures, which use ports GCC. Tested on powerpc64 and amd64. Hardware sponsored by IntegriCloud.
A commit references this bug: Author: danilo Date: Tue Dec 25 12:14:19 UTC 2018 New revision: 488317 URL: https://svnweb.freebsd.org/changeset/ports/488317 Log: - Update to 1.9.3 PR: 234366 Changes: head/games/openyahtzee/Makefile head/games/openyahtzee/distinfo
Thanks to your PR I just realized there was an update to this port. The new version already has the "#include <functional>".