CMakeLists.txt

cmake_minimum_required(VERSION 3.10)

project(socks_server VERSION "4.2" LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)

if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Choose Release or Debug" FORCE)
endif()

set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g -ggdb -Wall")
set(CMAKE_CXX_FLAGS_RELEASE "-O3 -Wno-unused -DNDEBUG")

add_subdirectory(third-party/spdlog-1.9.0)

message(STATUS "Build ${PROJECT_NAME}: ${PROJECT_VERSION}")
message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")

if (NOT LOG_LEVEL)
    if(CMAKE_BUILD_TYPE STREQUAL "Debug")
        add_definitions(-DSPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_DEBUG)
    else()
        add_definitions(-DSPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_INFO)
    endif()
else()
    if (LOG_LEVEL STREQUAL "Trace")
        add_definitions(-DSPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_TRACE)
    elseif(LOG_LEVEL STREQUAL "Debug")
        add_definitions(-DSPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_DEBUG)
    elseif(LOG_LEVEL STREQUAL "Info")
        add_definitions(-DSPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_INFO)
    elseif(LOG_LEVEL STREQUAL "Warn")
        add_definitions(-DSPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_WARN)
    elseif(LOG_LEVEL STREQUAL "Error")
        add_definitions(-DSPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_ERROR)
    elseif(LOG_LEVEL STREQUAL "Critical")
        add_definitions(-DSPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_CRITICAL)
    elseif(LOG_LEVEL STREQUAL "Off")
        add_definitions(-DSPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_OFF)
    else()
        add_definitions(-DSPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_DEBUG)
    endif()
endif()

set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/../bin)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/../bin)
set(SOCKS_LIB_NAME ${PROJECT_NAME}.${PROJECT_VERSION})

file(GLOB_RECURSE srcs ${PROJECT_BINARY_DIR}/../src/*.cpp)

include_directories(
    third-party/asio-1.24.0/include
    third-party/nlohmann-3.11.2/single_include
    include
)

add_library(${SOCKS_LIB_NAME} SHARED ${srcs})

target_link_libraries(${SOCKS_LIB_NAME} PUBLIC
    spdlog::spdlog
)

add_executable(${PROJECT_NAME} main.cpp)

if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
    target_link_libraries(${PROJECT_NAME} PUBLIC
        pthread
        ${SOCKS_LIB_NAME})
elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows")
    target_link_libraries(${PROJECT_NAME} PUBLIC
        crypt32
        secur32
        ws2_32
        wsock32
        pthread
        ${SOCKS_LIB_NAME})
else()
    message(STATUS "This operating system is not supported")
endif()