From a6f07cbb0e5f20d1033502e3e5b86fe0213e7a5a Mon Sep 17 00:00:00 2001
From: Henry de Valence <hdevalence@hdevalence.ca>
Date: Fri, 7 Mar 2014 02:16:06 -0500
Subject: Add systemd .service file for redshift

Add a systemd user .service file to allow users to run redshift as a
daemon using systemd. Also adds a new configure option,
`--with-systemduserunitdir`, which gives the install path.

If set to `no`, systemd support is disabled.
If not set, we use `pkg-config` to find the path.
---
 configure.ac | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 550ed0f..c282e34 100644
--- a/configure.ac
+++ b/configure.ac
@@ -161,6 +161,25 @@ AS_IF([test "x$enable_ubuntu" != xno], [
 ])
 AM_CONDITIONAL([ENABLE_UBUNTU], [test "x$enable_ubuntu" != xno])
 
+
+# Check for systemd
+PKG_PROG_PKG_CONFIG
+AC_MSG_CHECKING([Directory to install systemd user unit files])
+AC_ARG_WITH([systemduserunitdir],
+            [AS_HELP_STRING([--with-systemduserunitdir=<dir>],
+                            [Directory for systemd user unit files])],
+            [], [with_systemduserunitdir=$($PKG_CONFIG --variable=systemduserunitdir systemd)])
+AS_IF([test -n "$with_systemduserunitdir" -a "x$with_systemduserunitdir" != xno], [
+	AC_SUBST([systemduserunitdir], [$with_systemduserunitdir])
+	AC_MSG_RESULT([$systemduserunitdir])
+	enable_systemd=yes
+], [
+	AC_MSG_RESULT([not enabled])
+	enable_systemd=no
+])
+AM_CONDITIONAL([ENABLE_SYSTEMD], [test "x$enable_systemd" != xno])
+
+
 # Checks for header files.
 AC_CHECK_HEADERS([locale.h stdint.h stdlib.h string.h unistd.h signal.h])
 
@@ -200,4 +219,5 @@ echo "
 
     GUI:		${enable_gui}
     Ubuntu icons:	${enable_ubuntu}
+    systemd units:	${enable_systemd} ${systemduserunitdir}
 "
-- 
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