From 3cace61d9e04b234ef34873f4937b88ef61c4d4a Mon Sep 17 00:00:00 2001
From: Pavel Roskin <plroskin@gmail.com>
Date: Tue, 17 Jan 2017 18:53:27 -0800
Subject: [PATCH] Only check for systemd on Linux, no need to warn users of
 other OSes

---
 configure.ac | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index d99e7b2c..ac07b532 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,7 +46,12 @@ AM_CONDITIONAL(NETBSD, [test "x$netbsd" = xyes])
 
 AC_ARG_WITH([systemdsystemunitdir],
         AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]),
-        [], [with_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)])
+        [], [
+if test "x$linux" = xyes; then
+  with_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
+fi
+])
+
 if test "x$with_systemdsystemunitdir" != xno; then
         AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])
 fi