vcpkg/scripts/toolchains/mingw.cmake

if(NOT _VCPKG_MINGW_TOOLCHAIN)
    set(_VCPKG_MINGW_TOOLCHAIN 1)

    if(POLICY CMP0056)
        cmake_policy(SET CMP0056 NEW)
    endif()
    if(POLICY CMP0066)
        cmake_policy(SET CMP0066 NEW)
    endif()
    if(POLICY CMP0067)
        cmake_policy(SET CMP0067 NEW)
    endif()
    if(POLICY CMP0137)
        cmake_policy(SET CMP0137 NEW)
    endif()
    list(APPEND CMAKE_TRY_COMPILE_PLATFORM_VARIABLES
        VCPKG_CRT_LINKAGE VCPKG_TARGET_ARCHITECTURE 
        VCPKG_C_FLAGS VCPKG_CXX_FLAGS
        VCPKG_C_FLAGS_DEBUG VCPKG_CXX_FLAGS_DEBUG
        VCPKG_C_FLAGS_RELEASE VCPKG_CXX_FLAGS_RELEASE
        VCPKG_LINKER_FLAGS VCPKG_LINKER_FLAGS_RELEASE VCPKG_LINKER_FLAGS_DEBUG
    )

    if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
        set(CMAKE_CROSSCOMPILING OFF CACHE BOOL "")
    endif()

    # Need to override MinGW from VCPKG_CMAKE_SYSTEM_NAME
    set(CMAKE_SYSTEM_NAME Windows CACHE STRING "" FORCE)

    if(VCPKG_TARGET_ARCHITECTURE STREQUAL "x86")
       set(CMAKE_SYSTEM_PROCESSOR i686 CACHE STRING "")
    elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64")
       set(CMAKE_SYSTEM_PROCESSOR x86_64 CACHE STRING "")
    elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm")
       set(CMAKE_SYSTEM_PROCESSOR armv7 CACHE STRING "")
    elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64")
       set(CMAKE_SYSTEM_PROCESSOR aarch64 CACHE STRING "")
    endif()

    foreach(lang C CXX)
      set(CMAKE_${lang}_COMPILER_TARGET "${CMAKE_SYSTEM_PROCESSOR}-windows-gnu" CACHE STRING "")
    endforeach()

    find_program(CMAKE_C_COMPILER "${CMAKE_SYSTEM_PROCESSOR}-w64-mingw32-gcc")
    find_program(CMAKE_CXX_COMPILER "${CMAKE_SYSTEM_PROCESSOR}-w64-mingw32-g++")
    find_program(CMAKE_RC_COMPILER "${CMAKE_SYSTEM_PROCESSOR}-w64-mingw32-windres")
    if(NOT CMAKE_RC_COMPILER)
        find_program(CMAKE_RC_COMPILER "windres")
    endif()

    string(APPEND CMAKE_C_FLAGS_INIT " ${VCPKG_C_FLAGS} ")
    string(APPEND CMAKE_CXX_FLAGS_INIT " ${VCPKG_CXX_FLAGS} ")
    string(APPEND CMAKE_C_FLAGS_DEBUG_INIT " ${VCPKG_C_FLAGS_DEBUG} ")
    string(APPEND CMAKE_CXX_FLAGS_DEBUG_INIT " ${VCPKG_CXX_FLAGS_DEBUG} ")
    string(APPEND CMAKE_C_FLAGS_RELEASE_INIT " ${VCPKG_C_FLAGS_RELEASE} ")
    string(APPEND CMAKE_CXX_FLAGS_RELEASE_INIT " ${VCPKG_CXX_FLAGS_RELEASE} ")

    string(APPEND CMAKE_MODULE_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ")
    string(APPEND CMAKE_SHARED_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ")
    string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ")
    if(VCPKG_CRT_LINKAGE STREQUAL "static")
        string(APPEND CMAKE_MODULE_LINKER_FLAGS_INIT "-static ")
        string(APPEND CMAKE_SHARED_LINKER_FLAGS_INIT "-static ")
        string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT "-static ")
    endif()
    string(APPEND CMAKE_MODULE_LINKER_FLAGS_DEBUG_INIT " ${VCPKG_LINKER_FLAGS_DEBUG} ")
    string(APPEND CMAKE_SHARED_LINKER_FLAGS_DEBUG_INIT " ${VCPKG_LINKER_FLAGS_DEBUG} ")
    string(APPEND CMAKE_EXE_LINKER_FLAGS_DEBUG_INIT " ${VCPKG_LINKER_FLAGS_DEBUG} ")
    string(APPEND CMAKE_MODULE_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ")
    string(APPEND CMAKE_SHARED_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ")
    string(APPEND CMAKE_EXE_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ")
endif()