if(CMAKE_BUILD_TYPE MATCHES "(Release|RELEASE|release)")
    # release mode 
    set(CMAKE_BUILD_TYPE "release")
else()
    set(CMAKE_BUILD_TYPE "debug")
    # debug mode
    if(NOT (${CMAKE_C_FLAGS} MATCHES "-g"))
        add_compile_options(-g)
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g")
    endif()
    if(NOT (${CMAKE_CXX_FLAGS} MATCHES "-g"))
        add_compile_options(-g)
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")
    endif()
endif()
#---------------------------------------------------------------------------------------------------


#++++++add c++11 standard and c99 standard
if(NOT (${CMAKE_C_FLAGS} MATCHES "-std="))
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
endif()

if(NOT (${CMAKE_CXX_FLAGS} MATCHES "-std="))
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
endif()
#---------------------------------------------------------------------------------------------------


#++++++add path of link library
if(NOT (${CMAKE_C_FLAGS} MATCHES "-Wl,-rpath,"))
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wl,-rpath,.:lib/:lib/${BUILD_ARCH}/:../lib/${BUILD_ARCH}/:../lib/${BUILD_ARCH}/HK/:../lib/${BUILD_ARCH}/HK/HCNetSDKCom")
endif()

if(NOT (${CMAKE_CXX_FLAGS} MATCHES "-Wl,-rpath,"))
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wl,-rpath,.:lib/:lib/${BUILD_ARCH}/:../lib/${BUILD_ARCH}/:../lib/${BUILD_ARCH}/HK/:../lib/${BUILD_ARCH}/HK/HCNetSDKCom")
endif()
#---------------------------------------------------------------------------------------------------

# message(STATUS "CMAKE_CXX_FLAGS:${CMAKE_CXX_FLAGS}")