add systemd service files

to enable running fluidsynth as user service. Fixes FluidSynth#342

CMakeLists.txt

@@ -475,6 +475,15 @@ if ( UNIX )
     configure_file ( fluidsynth.spec.in
         ${CMAKE_BINARY_DIR}/fluidsynth.spec IMMEDIATE @ONLY )
 
+    if ( DEFINED FLUID_DAEMON_ENV_FILE)
+        configure_file ( fluidsynth.service.in
+        ${CMAKE_BINARY_DIR}/fluidsynth.service @ONLY )
+
+        configure_file ( fluidsynth.conf.in
+        ${CMAKE_BINARY_DIR}/fluidsynth.conf @ONLY )
+
+    endif ( DEFINED FLUID_DAEMON_ENV_FILE )
+
     # uninstall custom target
     configure_file ( "${CMAKE_SOURCE_DIR}/cmake_admin/cmake_uninstall.cmake.in"
       "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" IMMEDIATE @ONLY)

fluidsynth.conf.in

@@ -0,0 +1,5 @@
+# Mandatory parameters (uncomment and edit)
+#SOUND_FONT=@DEFAULT_SOUNDFONT@
+
+# Additional optional parameters (may be useful, see 'man fluidsynth' for further info)
+#OTHER_OPTS='-a alsa -m alsa_seq -r 48000'

fluidsynth.service.in

@@ -0,0 +1,13 @@
+[Unit]
+Description=FluidSynth Daemon
+Documentation=man:fluidsynth(1)
+After=sound.target
+
+[Service]
+EnvironmentFile=@FLUID_DAEMON_ENV_FILE@
+EnvironmentFile=-%h/.config/fluidsynth
+ExecStart=@CMAKE_INSTALL_PREFIX@/@BIN_INSTALL_DIR@/fluidsynth -is $OTHER_OPTS $SOUND_FONT
+
+[Install]
+WantedBy=multi-user.target
+