CMakeLists.txt

cmake_minimum_required(VERSION 3.16.3)

if(NOT DEFINED TARGET_OS)
    message(FATAL_ERROR "TARGET_OS is not defined! Please pass the target OS with -DTARGET_OS=<os> (e.g., macos, linux, win).")
endif()

if(TARGET_OS STREQUAL "macos" OR TARGET_OS STREQUAL "linux")
    project(udp_toolkit_native LANGUAGES C)
    
    add_library(udp_toolkit_native SHARED src/udp_toolkit_native.c)
    set_target_properties(udp_toolkit_native PROPERTIES PREFIX "")
elseif ($ENV{TARGET_OS} STREQUAL "win")
    project(udp_toolkit_native LANGUAGES C)
    
    add_library(udp_toolkit_native SHARED src/udp_toolkit_native.c)
    set_target_properties(udp_toolkit_native PROPERTIES PREFIX "")

    set(CMAKE_SYSTEM_NAME Windows)
    set(TOOLCHAIN_PREFIX x86_64-w64-mingw32)
    set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)

    set(CMAKE_FIND_ROOT_PATH /usr/${TOOLCHAIN_PREFIX})

    set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
    set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
    set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

    target_link_libraries(udp_toolkit_native ws2_32)

    set_target_properties(udp_toolkit_native PROPERTIES SUFFIX ".dll")
endif()