feat: mac os new build option BUILD_OSX_BUNDLE can be disabled to build a non app bundle

deploy/mac/deploy.cmake

@@ -4,17 +4,20 @@
 # HACK This is set when the files is included so its the real path
 # calling CMAKE_CURRENT_LIST_DIR after include would return the wrong scope var
 set(MY_DIR ${CMAKE_CURRENT_LIST_DIR})
-
-install(CODE "execute_process(COMMAND
-  ${DEPLOYQT}
-  \"\${CMAKE_INSTALL_PREFIX}/${CMAKE_PROJECT_PROPER_NAME}.app\"
-  -timestamp -codesign=-
-)")
+set(OSX_BUNDLE ${BUILD_OSX_BUNDLE})
 
 set(OS_STRING "macos-${BUILD_ARCHITECTURE}")
-set(CPACK_PACKAGE_ICON "${MY_DIR}/dmg-volume.icns")
-set(CPACK_DMG_BACKGROUND_IMAGE "${MY_DIR}/dmg-background.tiff")
-set(CPACK_DMG_DS_STORE_SETUP_SCRIPT "${MY_DIR}/generate_ds_store.applescript")
-set(CPACK_DMG_VOLUME_NAME "${CMAKE_PROJECT_PROPER_NAME}")
-set(CPACK_DMG_SLA_USE_RESOURCE_FILE_LICENSE ON)
-set(CPACK_GENERATOR "DragNDrop")
+
+if (OSX_BUNDLE)
+  install(CODE "execute_process(COMMAND
+    ${DEPLOYQT}
+    \"\${CMAKE_INSTALL_PREFIX}/${CMAKE_PROJECT_PROPER_NAME}.app\"
+    -timestamp -codesign=-
+  )")
+  set(CPACK_PACKAGE_ICON "${MY_DIR}/dmg-volume.icns")
+  set(CPACK_DMG_BACKGROUND_IMAGE "${MY_DIR}/dmg-background.tiff")
+  set(CPACK_DMG_DS_STORE_SETUP_SCRIPT "${MY_DIR}/generate_ds_store.applescript")
+  set(CPACK_DMG_VOLUME_NAME "${CMAKE_PROJECT_PROPER_NAME}")
+  set(CPACK_DMG_SLA_USE_RESOURCE_FILE_LICENSE ON)
+  set(CPACK_GENERATOR "DragNDrop")
+endif()