if(PROJECT_IS_DARWIN)
  if(NOT PROJECT_BUILD)
    ExternalProject_Add(zlib_project
      PREFIX external
      URL ${PROJECT_3RD_PARTY_DIR}/mingw64/zlib-${ZLIB_VERSION}.tar.gz
      URL_HASH SHA256=${ZLIB_HASH}
      LIST_SEPARATOR |
      CMAKE_ARGS ${PROJECT_EXTERNAL_CMAKE_FLAGS}
        -DBUILD_SHARED_LIBS=${PROJECT_BUILD_SHARED_LIBS}
        -DBUILD_STATIC_LIBS=ON
        -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}
    )

    list(APPEND PROJECT_DEPENDENCIES zlib_project)
  endif()
endif()