From b2eca4e1cc89f0468aad579d0fd4b0f2ef6d34de Mon Sep 17 00:00:00 2001
From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Date: Tue, 24 Oct 2017 19:55:36 +0200
Subject: Make systemd optional. If systemd is not available at build-time, the
 creation of the .service file is omitted.

---
 configure.ac | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 35c1640..e89b6a7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -55,8 +55,18 @@ CUPS_LIBS+=`$CUPS_CONFIG --libs`
 SERVICE_CFLAGS="$SERVICE_CFLAGS $CUPS_CFLAGS"
 SERVICE_LIBS="$SERVICE_LIBS $CUPS_LIBS"
 
-SYSTEMD_USERDIR=`$PKG_CONFIG --variable=systemduserunitdir systemd`
-AC_SUBST(SYSTEMD_USERDIR)
+#########################
+# Check for systemd
+#########################
+PKG_CHECK_MODULES(SYSTEMD,  systemd,
+    [has_systemd=yes],
+    []
+)
+if test "x$has_systemd" = "xyes"; then
+       SYSTEMD_USERDIR=`$PKG_CONFIG --variable=systemduserunitdir systemd`
+       AC_SUBST(SYSTEMD_USERDIR)
+       AC_DEFINE(HAVE_SYSTEMD, 1, [create ayatana-indicator-printers.service for systemd])
+fi
 
 INDICATORDIR=`$PKG_CONFIG --variable=indicatordir ayatana-indicator3-0.4`
 INDICATORICONSDIR=`$PKG_CONFIG --variable=iconsdir ayatana-indicator3-0.4`
-- 
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