commit ca291aec99b60fe81eaab36aa718e51421bb88d5
author Bram Moolenaar <Bram@vim.org> Sat Oct 15 19:33:50 2016 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Oct 15 19:33:50 2016 +0200
tree b0d0737ce7f7a4bd7de81c726f125d058cd0bd89
parent 0a9046fbcb33770517ab0220b8100c4494bddab2

patch 8.0.0038
Problem:    OPEN_CHR_FILES not defined for FreeBSD using Debian userland
            files.
Solution:   Check for __FreeBSD_kernel__. (James McCoy, closes #1166)

src/vim.h

diff --git a/src/vim.h b/src/vim.h
index 0ac296e..5946d63 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -2495,7 +2495,8 @@
 #define FNE_INCL_BR	1	/* include [] in name */
 #define FNE_CHECK_START	2	/* check name starts with valid character */
 
-#if (defined(sun) || defined(__FreeBSD__)) && defined(S_ISCHR)
+#if (defined(sun) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)) \
+	&& defined(S_ISCHR)
 # define OPEN_CHR_FILES
 #endif