commit https://github.com/vim/vim/commit/ca291aec99b60fe81eaab36aa718e51421bb88d5 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 15 19:33:50 2016 +0200 patch 8.0.0038 Problem: OPEN_CHR_FILES not defined for FreeBSD using Debian userland files. Solution: Check for __FreeBSD_kernel__. (James McCoy, closes https://github.com/vim/vim/issues/1166)