Add AppImage support to Linux builds

CMakeLists.txt

@@ -51,6 +51,7 @@ OPTION(WANT_CAPS	"Include C* Audio Plugin Suite (LADSPA plugins)" ON)
 OPTION(WANT_CARLA	"Include Carla plugin" ON)
 OPTION(WANT_CMT		"Include Computer Music Toolkit LADSPA plugins" ON)
 OPTION(WANT_JACK	"Include JACK (Jack Audio Connection Kit) support" ON)
+OPTION(WANT_WEAKJACK	"Loosely link JACK libraries" ON)
 OPTION(WANT_MP3LAME	"Include MP3/Lame support" ON)
 OPTION(WANT_OGGVORBIS	"Include OGG/Vorbis support" ON)
 OPTION(WANT_PULSEAUDIO	"Include PulseAudio support" ON)
@@ -364,8 +365,16 @@ ENDIF(NOT LMMS_HAVE_ALSA)
 IF(WANT_JACK)
 	PKG_CHECK_MODULES(JACK jack>=0.77)
 	IF(JACK_FOUND)
+		IF(WANT_WEAKJACK)
+			SET(LMMS_HAVE_WEAKJACK TRUE)
+			SET(STATUS_JACK "OK (weak linking enabled)")
+			SET(JACK_INCLUDE_DIRS "")
+			# use dlsym instead
+			SET(JACK_LIBRARIES "dl")
+		ELSE()
+			SET(STATUS_JACK "OK")
+		ENDIF()
 		SET(LMMS_HAVE_JACK TRUE)
-		SET(STATUS_JACK "OK")
 	ELSE(JACK_FOUND)
 		SET(STATUS_JACK "not found, please install libjack0.100.0-dev (or similar) "
 			"if you require JACK support")

cmake/linux/CMakeLists.txt

@@ -1,4 +1,19 @@
-INSTALL(FILES lmms.png                  DESTINATION "${DATA_DIR}/pixmaps")
-INSTALL(FILES lmms                      DESTINATION "${DATA_DIR}/menu")
+INSTALL(FILES lmms.svg                  DESTINATION "${DATA_DIR}/icons/hicolor/scalable/apps")
+INSTALL(FILES project.svg               DESTINATION "${DATA_DIR}/icons/hicolor/scalable/mimetypes/" RENAME "application-x-lmms-project.svg")
 INSTALL(FILES lmms.desktop              DESTINATION "${DATA_DIR}/applications")
 INSTALL(FILES lmms.xml                  DESTINATION "${DATA_DIR}/mime/packages")
+
+# AppImage creation target
+SET(APPIMAGE_FILE "${CMAKE_BINARY_DIR}/${CMAKE_PROJECT_NAME}-${VERSION}-linux-${CMAKE_SYSTEM_PROCESSOR}.AppImage")
+
+CONFIGURE_FILE("package_linux.sh.in"    "${CMAKE_BINARY_DIR}/package_linux.sh" @ONLY)
+
+FILE(REMOVE "${APPIMAGE_FILE}")
+ADD_CUSTOM_TARGET(removeappimage
+	COMMAND rm -f "${APPIMAGE_FILE}"
+	COMMENT "Removing old AppImage")
+ADD_CUSTOM_TARGET(appimage 
+	COMMAND chmod +x "${CMAKE_BINARY_DIR}/package_linux.sh"
+	COMMAND "${CMAKE_BINARY_DIR}/package_linux.sh"
+	COMMENT "Generating AppImage")
+ADD_DEPENDENCIES(appimage removeappimage)

cmake/linux/lmms

@@ -1,4 +1,4 @@
 ?package(lmms):needs="X11" section="Apps/Sound" \
   title="LMMS" hints="Audio" command="/usr/bin/lmms" \
   longtitle="LMMS" \
-  icon="/usr/share/pixmaps/lmms.png"
+  icon="/usr/share/icons/hicolor/scalable/apps/lmms.svg"

cmake/linux/lmms.desktop

@@ -1,10 +1,10 @@
 [Desktop Entry]
 Name=LMMS
-GenericName=music production suite
+GenericName=Music production suite
 GenericName[ca]=Programari de producció musical
 GenericName[de]=Software zur Musik-Produktion
 GenericName[fr]=Ensemble pour la production musicale
-Comment=easy music production for everyone!
+Comment=Music sequencer and synthesizer
 Comment[ca]=Producció fàcil de música per a tothom!
 Comment[fr]=Production facile de musique pour tout le monde !
 Icon=lmms