# CMake 最低版本号要求
cmake_minimum_required (VERSION 2.8)

# support C++11
add_definitions(-std=c++11)



# 项目信息
set (PROJ_NAME RealTimeServer)
set (BIN_NAME rts)
project (${PROJ_NAME})


# 设置执行文件输出目录
# SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)
# 设置库输出路径
# SET(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/lib)


# 查找当前目录下的所有源文件
# 并将名称保存到 DIR_SRCS 变量
# aux_source_directory(./${PROJ_NAME} DIR_SRCS)


# 查找当前目录以及子目录下的所有头文件
# 并将名称保存到 CURRENT_HEADERS 变量
# file(GLOB_RECURSE CURRENT_HEADERS  *.h *.hpp)


# 此命令可以用来收集源文件 CURRENT_HEADERS 作为变量保存收集的结果。 
# 后面为文件过滤器，其中 PROJ_NAME 为起始搜索的文件夹，即在 RealTimeServer 目录下，
# 开始收集，而且会遍历子目录
# file(
#     GLOB_RECURSE CURRENT_HEADERS 
#     LIST_DIRECTORIES false
#     "${PROJ_NAME}/*.h*"
# )

# 生成一个名为Include的VS筛选器
# source_group("Include" FILES ${CURRENT_HEADERS}) 


IF(WIN32) # Check if we are on Windows

    file(GLOB_RECURSE project_headers *.h)
    file(GLOB_RECURSE project_cpps *.c*)
    set(all_files ${project_headers} ${project_cpps})

    macro(create_filters source_files)
        if(MSVC)
            # 获取当前目录
            set(current_dir ${CMAKE_CURRENT_SOURCE_DIR})
            foreach(src_file ${${source_files}})
                # 求出相对路径
                string(REPLACE ${current_dir}/ "" rel_path_name ${src_file})
                # 删除相对路径中的文件名部分
                string(REGEX REPLACE "(.*)/.*" \\1 rel_path ${rel_path_name})
                # 比较是否是当前路径下的文件
                string(COMPARE EQUAL ${rel_path_name} ${rel_path} is_same_path)
                # 替换成Windows平台的路径分隔符
                string(REPLACE "/" "\\" rel_path ${rel_path})
                if(is_same_path)
                    set(rel_path "\\")
                endif(is_same_path)

                # CMake 命令
                source_group(${rel_path} FILES ${src_file})
            endforeach(src_file)
        endif(MSVC)
    endmacro(create_filters)

    create_filters(all_files)
    # add_executable(app ${all_files})

    # 指定生成目标
    add_executable(${PROJ_NAME} ${all_files})
    
  	if(MSVC) # Check if we are using the Visual Studio compiler
    		# set_target_properties(${PROJ_NAME} PROPERTIES LINK_FLAGS "/SUBSYSTEM:WINDOWS") # works for all build modes
    		set_target_properties(${PROJ_NAME} PROPERTIES LINK_FLAGS "/SUBSYSTEM:CONSOLE") # works for all build modes
    		target_link_libraries(${PROJ_NAME} wsock32 ws2_32)
        set_target_properties(${PROJ_NAME}
            PROPERTIES
            COMPILE_FLAGS /wd"4819"
        )
  	elseif(CMAKE_COMPILER_IS_GNUCXX)
	  	# SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mwindows") # Not tested
  	else()
	  	message(SEND_ERROR "You are using an unsupported Windows compiler! (Not MSVC or GCC)")
  	endif()

elseif(UNIX)

    file(GLOB_RECURSE all_files "*.*")

    include_directories(${PROJECT_SOURCE_DIR})
    # add_subdirectory(muduo/base)
    # add_subdirectory(muduo/net)

    # 指定生成目标
    add_executable(${BIN_NAME} ${all_files})
    # 添加链接库
    target_link_libraries(${BIN_NAME} pthread rt)

    # Inhibit all warning messages.
    if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
        # set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long -pedantic")
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w")
    endif()

  	# For gdb
    set(CMAKE_BUILD_TYPE "Debug")
    set(CMAKE_CXX_FLAGS_DEBUG "$ENV{CXXFLAGS} -O0 -Wall -g -ggdb")
    set(CMAKE_CXX_FLAGS_RELEASE "$ENV{CXXFLAGS} -O3 -Wall")

else()
  	message(SEND_ERROR "You are on an unsupported platform! (Not Win32 or Unix)")
ENDIF()