From f58f74d21a0555574158ab5ee8b331a4a38d36d5 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Thu, 5 Jan 2017 16:30:50 +0100
Subject: make systemd optional

---
 Makefile           | 5 ++++-
 mpd-notification.c | 8 ++++++++
 mpd-notification.h | 2 ++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index a557919..7e4492d 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,10 @@ RM	:= rm
 # flags
 CFLAGS	+= -std=c11 -O2 -fPIC -Wall -Werror
 CFLAGS	+= -liniparser
-CFLAGS	+= $(shell pkg-config --cflags --libs libsystemd)
+CFLAGS_SYSTEMD := $(shell pkg-config --cflags --libs libsystemd 2>/dev/null)
+ifneq ($(CFLAGS_SYSTEMD),)
+CFLAGS	+= -DHAVE_SYSTEMD $(CFLAGS_SYSTEMD)
+endif
 CFLAGS	+= $(shell pkg-config --cflags --libs libmpdclient)
 CFLAGS	+= $(shell pkg-config --cflags --libs libnotify)
 CFLAGS_LIBAV := $(shell pkg-config --cflags --libs libavformat libavutil 2>/dev/null)
diff --git a/mpd-notification.c b/mpd-notification.c
index 90ed110..4e78e2e 100644
--- a/mpd-notification.c
+++ b/mpd-notification.c
@@ -380,7 +380,9 @@ int main(int argc, char ** argv) {
 	signal(SIGUSR1, received_signal);
 
 	/* report ready to systemd */
+#ifdef HAVE_SYSTEMD
 	sd_notify(0, "READY=1\nSTATUS=Waiting for mpd event...");
+#endif
 
 	while (doexit == 0 && mpd_run_idle_mask(conn, MPD_IDLE_PLAYER)) {
 		mpd_command_list_begin(conn, true);
@@ -400,7 +402,9 @@ int main(int argc, char ** argv) {
 			if (title == NULL)
 				goto nonotification;
 
+#ifdef HAVE_SYSTEMD
 			sd_notifyf(0, "READY=1\nSTATUS=Playing: %s", title);
+#endif
 
 			/* initial allocation and string termination */
 			notifystr = strdup("");
@@ -441,10 +445,14 @@ int main(int argc, char ** argv) {
 			mpd_song_free(song);
 		} else if (state == MPD_STATE_PAUSE) {
 			notifystr = strdup(TEXT_PAUSE);
+#ifdef HAVE_SYSTEMD
 			sd_notify(0, "READY=1\nSTATUS=" TEXT_PAUSE);
+#endif
 		} else if (state == MPD_STATE_STOP) {
 			notifystr = strdup(TEXT_STOP);
+#ifdef HAVE_SYSTEMD
 			sd_notify(0, "READY=1\nSTATUS=" TEXT_STOP);
+#endif
 		} else
 			notifystr = strdup(TEXT_UNKNOWN);
 
diff --git a/mpd-notification.h b/mpd-notification.h
index 7927a5b..8e70abb 100644
--- a/mpd-notification.h
+++ b/mpd-notification.h
@@ -19,7 +19,9 @@
 #include <unistd.h>
 
 /* systemd headers */
+#ifdef HAVE_SYSTEMD
 #include <systemd/sd-daemon.h>
+#endif
 
 #include <iniparser.h>
 #include <libnotify/notify.h>
-- 
cgit v1.2.3-54-g00ecf