Add AppImage support to Linux builds

.travis/linux..install.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 PACKAGES="cmake libsndfile-dev fftw3-dev libvorbis-dev libogg-dev libmp3lame-dev
-	libasound2-dev libjack-dev libsdl-dev libsamplerate0-dev libstk0-dev
+	libasound2-dev libjack-dev libsdl-dev libsamplerate0-dev libstk0-dev stk
 	libfluidsynth-dev portaudio19-dev wine-dev g++-multilib libfltk1.3-dev
 	libgig-dev libsoundio-dev"
 

CMakeLists.txt

@@ -152,6 +152,9 @@ IF(WANT_QT5)
 		Qt5::Xml
 	)
 
+	# Resolve Qt5::qmake to full path for use in packaging scripts
+	GET_TARGET_PROPERTY(QT_QMAKE_EXECUTABLE "${Qt5Core_QMAKE_EXECUTABLE}" IMPORTED_LOCATION)
+
 	FIND_PACKAGE(Qt5Test)
 	SET(QT_QTTEST_LIBRARY Qt5::Test)
 ELSE()
@@ -424,7 +427,11 @@ IF(WANT_VST)
 	FIND_PACKAGE(Wine)
 	IF(WINE_FOUND)
 		SET(LMMS_SUPPORT_VST TRUE)
-		SET(STATUS_VST "OK")
+		IF(WINE_LIBRARY_FIX)
+			SET(STATUS_VST "OK, with workaround linking ${WINE_LIBRARY_FIX}")
+		ELSE()
+			SET(STATUS_VST "OK")
+		ENDIF()
 	ELSEIF(WANT_VST_NOWINE)
 		SET(LMMS_SUPPORT_VST TRUE)
 		SET(STATUS_VST "OK")

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