Created attachment 209742 [details] patch powerpc64 soon switches to elfv2 on head, where this port builds, but it's necessary to add -mabi=elfv2 to CFLAGS, because LLVM 8 defaults to elfv1.
A commit references this bug: Author: pkubaj Date: Mon Dec 9 14:06:33 UTC 2019 New revision: 519612 URL: https://svnweb.freebsd.org/changeset/ports/519612 Log: devel/creduce: unbreak on powerpc64 powerpc64 soon switches to elfv2 on head, where this port builds, but it's necessary to add -mabi=elfv2 to CFLAGS, because LLVM 8 defaults to elfv1. PR: 242465 Approved by: swills Changes: head/devel/creduce/Makefile