Created attachment 185167 [details] Patch for kinfo. It's look likes our internal kinfo_file structure is different then in linux. In attachment we have patch to files directory which fix the use of those structures.
It's been more than enough time for the maintainer to respond. Please feel free to commit with my approval.
A commit references this bug: Author: oshogbo Date: Thu Sep 21 12:14:22 UTC 2017 New revision: 450252 URL: https://svnweb.freebsd.org/changeset/ports/450252 Log: Fix building of devel/radare2. Change the names of fields used with the kinfo_file structure. FreeBSD use different kinfo_file structure then Linux. PR: 221347 Approved by: matthew@ MFC after: 1 month Changes: head/devel/radare2/files/ head/devel/radare2/files/patch-kinfo_file.c