From b2d324f770c292e64b937c21c1973b179ccefc62 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
Date: Mon, 27 Oct 2014 23:44:17 +0100
Subject: [PATCH] configure: Ensure PKG_CONFIG before querying systemd unit
 path

Use PKG_PROG_PKG_CONFIG to ensure that $PKG_CONFIG is set before it is
used to query the systemd unit install path.
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 6276e1ca..c5d22ec0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,6 +7,7 @@ AM_INIT_AUTOMAKE([1.6 foreign])
 AC_PROG_CC
 AC_C_CONST
 AC_PROG_LIBTOOL
+PKG_PROG_PKG_CONFIG
 AC_ARG_WITH([systemdsystemunitdir],
         AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]),
         [], [with_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)])