Revert "Revert "Disable autostart for now so usb works.""

This reverts commit 998acf4d08.

cmake/nuttx/px4_impl_nuttx.cmake

@@ -291,21 +291,23 @@ function(px4_nuttx_generate_romfs)
 	set(romfs_pruner ${CMAKE_SOURCE_DIR}/Tools/px_romfs_pruner.py)
 	set(bin_to_obj ${CMAKE_SOURCE_DIR}/cmake/nuttx/bin_to_obj.py)
 
-
 	#message(STATUS "temp_dir: ${romfs_temp_dir}")
 	#message(STATUS "src_dir: ${romfs_src_dir}")
 
 	add_custom_command(OUTPUT rc.autostart
 		COMMAND ${PYTHON_EXECUTABLE} ${romfs_autostart}
-			-a ${romfs_src_dir}/init.d/
+			-a ${romfs_src_dir}/init.d
 			-s rc.autostart
 		)
 
 	add_custom_command(OUTPUT romfs.bin
 		COMMAND cmake -E remove_directory ${romfs_temp_dir}
 		COMMAND cmake -E copy_directory ${romfs_src_dir} ${romfs_temp_dir}
-		COMMAND cmake -E copy rc.autostart ${romfs_temp_dir}/init.d
-		#TODO add romfs cleanup and pruning
+		# TODO XXX hack to get nsh to work, copying real
+	    # autostart in currently makes nsh fail over usb
+		COMMAND cmake -E touch ${romfs_temp_dir}/init.d/rc.autostart
+		#COMMAND cmake -E copy rc.autostart ${romfs_temp_dir}/init.d
+		#TODO add romfs cleanup of temp file .~, .swp etc
 		COMMAND ${PYTHON_EXECUTABLE} ${romfs_pruner}
 			--folder ${romfs_temp_dir}
 		COMMAND ${GENROMFS} -f ${CMAKE_CURRENT_BINARY_DIR}/romfs.bin