From 2b55bea5380b9da9a4a27cda3875b940d9d02548 Mon Sep 17 00:00:00 2001
From: Edward Tomasz Napierala <trasz@FreeBSD.org>
Date: Fri, 11 May 2018 14:43:21 +0000
Subject: [PATCH] Make /etc/rc.d/kldxref not print anything for directories
 that don't contain any kernel modules.  This makes the common case completely
 silent, as it should be.

Reviewed by:	imp@
MFC after:	2 weeks
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D14694
---
 etc/rc.d/kldxref | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/etc/rc.d/kldxref b/etc/rc.d/kldxref
index 83609ae6fe48..4d232ee0d4cf 100755
--- a/etc/rc.d/kldxref
+++ b/etc/rc.d/kldxref
@@ -24,8 +24,9 @@ kldxref_start() {
 	fi
 	IFS=';'
 	for MODULE_DIR in $MODULE_PATHS; do
-		if [ ! -f "$MODULE_DIR/linker.hints" ] ||
-		    checkyesno kldxref_clobber; then
+		if checkyesno kldxref_clobber ||
+		    [ ! -f "$MODULE_DIR/linker.hints" ] &&
+		    [ `echo ${MODULE_DIR}/*.ko` != "${MODULE_DIR}/*.ko" ]; then
 			echo "Building $MODULE_DIR/linker.hints"
 			kldxref "$MODULE_DIR"
 		fi