if(NOT _VCPKG_OSX_TOOLCHAIN)
set(_VCPKG_OSX_TOOLCHAIN 1)

set(CMAKE_SYSTEM_NAME Darwin CACHE STRING "")

set(CMAKE_MACOSX_RPATH ON CACHE BOOL "")

if(NOT DEFINED CMAKE_SYSTEM_PROCESSOR)
    if(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64")
       set(CMAKE_SYSTEM_PROCESSOR x86_64 CACHE STRING "")
    elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x86")
       set(CMAKE_SYSTEM_PROCESSOR x86 CACHE STRING "")
    elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64")
       set(CMAKE_SYSTEM_PROCESSOR arm64 CACHE STRING "")
    else()
       set(CMAKE_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}" CACHE STRING "")
    endif()
endif()

if(DEFINED VCPKG_CMAKE_SYSTEM_VERSION)
    set(CMAKE_SYSTEM_VERSION "${VCPKG_CMAKE_SYSTEM_VERSION}" CACHE STRING "" FORCE)
endif()

if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
    if(CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
        set(CMAKE_CROSSCOMPILING OFF CACHE STRING "")
    elseif(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "ARM64")
        # arm64 macOS can run x64 binaries
        set(CMAKE_CROSSCOMPILING OFF CACHE STRING "")
    endif()

    if(NOT DEFINED CMAKE_SYSTEM_VERSION)
        set(CMAKE_SYSTEM_VERSION "${CMAKE_HOST_SYSTEM_VERSION}" CACHE STRING "")
    endif()
endif()

get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE )
if(NOT _CMAKE_IN_TRY_COMPILE)
    string(APPEND CMAKE_C_FLAGS_INIT " -fPIC ${VCPKG_C_FLAGS} ")
    string(APPEND CMAKE_CXX_FLAGS_INIT " -fPIC ${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_SHARED_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ")
    string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ")
    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_SHARED_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ")
    string(APPEND CMAKE_EXE_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ")
endif()
endif()