# 将子目录的源文件添加到目标中
file(GLOB SOURCE "*.cpp" "*.c")
set(SUB_SRC ${SUB_SRC} ${SOURCE} CACHE STRING "fix SUB_SRC" FORCE)

# 获取当前目录中的全部子目录
file(GLOB SUBDIRECTORIES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/*)
# 遍历并打印子目录路径
foreach(SUBDIRECTORY ${SUBDIRECTORIES})
  if(IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIRECTORY})
  	# message("add_subdirectory=${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIRECTORY}")
	if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIRECTORY}/CMakeLists.txt")
		include_directories(${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIRECTORY})
		add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIRECTORY})
	endif()
  endif()
endforeach()