[PATCH] configure.ac: Use libsystemd in REQUIRED_LIBS check

[Jussi Kukkonen]

REQUIRED_LIBS needs to be set to the correct systemd library,
otherwise the later check will either fail or use the wrong
pc file.

Signed-off-by: Jussi Kukkonen <jussi.kukkonen at intel.com>
---
 configure.ac | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 96c0242..f63eca1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -837,9 +837,16 @@ AC_ARG_WITH([systemd-daemon],
 		[support systemd socket activation (default: auto)]),
 	[WITH_SYSTEMD_DAEMON=$withval], [WITH_SYSTEMD_DAEMON=auto])
 PKG_CHECK_MODULES([SYSTEMD_DAEMON], [libsystemd-daemon],
-                  [HAVE_SYSTEMD_DAEMON=yes],
+                  [REQUIRED_SYSTEMD_DAEMON=libsystemd-daemon],
                   [PKG_CHECK_MODULES([SYSTEMD_DAEMON], [libsystemd],
-                                     [HAVE_SYSTEMD_DAEMON=yes], [HAVE_SYSTEMD_DAEMON=no])])
+                                     [REQUIRED_SYSTEMD_DAEMON=libsystemd],
+                                     [REQUIRED_SYSTEMD_DAEMON=])])
+if test "x$REQUIRED_SYSTEMD_DAEMON" = x; then
+        HAVE_SYSTEMD_DAEMON=no
+else
+        HAVE_SYSTEMD_DAEMON=yes
+fi
+
 if test "x$WITH_SYSTEMD_DAEMON" = xauto; then
 	WITH_SYSTEMD_DAEMON="$HAVE_SYSTEMD_DAEMON"
 fi
@@ -848,7 +855,7 @@ if test "x$WITH_SYSTEMD_DAEMON" = xyes; then
 		AC_MSG_ERROR([systemd support requested but no library has been found])
 	fi
 	AC_DEFINE(HAVE_SYSTEMD_DAEMON, 1, [Define to 1 if libsystemd-daemon is available])
-	REQUIRED_LIBS="$REQUIRED_LIBS libsystemd-daemon"
+	REQUIRED_LIBS="$REQUIRED_LIBS $REQUIRED_SYSTEMD_DAEMON"
 fi
 AM_CONDITIONAL([HAVE_SYSTEMD_DAEMON], [test "x$HAVE_SYSTEMD_DAEMON" = "xyes"])
 
-- 
2.1.4