cmake_minimum_required(VERSION 3.0)

set (Target "bhome_msg")
project(${Target})

#设置输出路径
SET(MESSAGE_DIR ${CMAKE_BINARY_DIR}/proto)
# SET(MESSAGE_DIR ${PROJECT_SOURCE_DIR})

# set(GO_MESSAGE_DIR ${CMAKE_SOURCE_DIR}/../go)
# if(EXISTS "${GO_MESSAGE_DIR}" AND IS_DIRECTORY "${GO_MESSAGE_DIR}")
# else()
#         file(MAKE_DIRECTORY ${GO_MESSAGE_DIR})
# endif()

#获取需要编译的proto文件
file(GLOB proto_files ../source/*.proto)

set(MESSAGE_SRC "")
set(MESSAGE_HDRS "")

set(PROTO_PATH ${PROJECT_SOURCE_DIR}/../../protobuf)

if(${ARCH} MATCHES "aarch64")
        set(PROTO_PATH ${PROJECT_SOURCE_DIR}/../../protobuf-aarch)
endif()

foreach(file ${proto_files})
        message(${file})

        get_filename_component(FIL_WE ${file} NAME_WE)
        # message(${FIL_WE})

        list(APPEND MESSAGE_SRC "${MESSAGE_DIR}/${FIL_WE}.pb.cc")
        list(APPEND MESSAGE_HDRS "${MESSAGE_DIR}/${FIL_WE}.pb.h")

        # 使用自定义命令
        add_custom_command(
                OUTPUT "${MESSAGE_DIR}/${FIL_WE}.pb.h" "${MESSAGE_DIR}/${FIL_WE}.pb.cc"
                COMMAND ${PROTO_PATH}/bin/protoc --cpp_out=${MESSAGE_DIR} -I=${PROJECT_SOURCE_DIR}/../source ${file}
                DEPENDS ${file}
                COMMENT "Generate protobuf files"
        )

        # add_custom_command(
        #         OUTPUT "${MESSAGE_DIR}/${FIL_WE}.pb.go"
        #         COMMAND ${PROTO_PATH}/bin/protoc --go_out=${GO_MESSAGE_DIR} -I=${MESSAGE_DIR}/../source ${file}
        #         DEPENDS ${file}
        #         COMMENT "Generate protobuf files"
        # )
endforeach()

# 设置文件属性为 GENERATED
set_source_files_properties(${MESSAGE_SRC} ${MESSAGE_HDRS} PROPERTIES GENERATED TRUE)

# 添加自定义target
#add_custom_target(generate_message ALL
#                DEPENDS ${MESSAGE_SRC} ${MESSAGE_HDRS}
#                COMMENT "generate message target"
#                VERBATIM
#                )


include_directories(${PROTO_PATH}/include ${MESSAGE_DIR})

add_compile_options("-std=c++11")
add_library(${Target} STATIC ${MESSAGE_SRC})
target_link_libraries(${Target} ${PROTO_PATH}/lib/libprotobuf-lite.a)