ExternalProject_Add(msgpack
  PREFIX ${DEPS_BUILD_DIR}
  URL ${MSGPACK_URL}
  DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/msgpack
  DOWNLOAD_COMMAND ${CMAKE_COMMAND}
    -DPREFIX=${DEPS_BUILD_DIR}
    -DDOWNLOAD_DIR=${DEPS_DOWNLOAD_DIR}/msgpack
    -DURL=${MSGPACK_URL}
    -DEXPECTED_SHA256=${MSGPACK_SHA256}
    -DTARGET=msgpack
    -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/DownloadAndExtractFile.cmake
  CONFIGURE_COMMAND cmake ${DEPS_BUILD_DIR}/src/msgpack
     -DMSGPACK_ENABLE_CXX=OFF
     -DMSGPACK_BUILD_TESTS=OFF
     -DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
     -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
     "-DCMAKE_C_FLAGS:STRING=${CMAKE_C_COMPILER_ARG1} -fPIC"
  BUILD_COMMAND ${CMAKE_COMMAND} --build .
  INSTALL_COMMAND ${CMAKE_COMMAND}
    -DREMOVE_FILE_GLOB=${DEPS_INSTALL_DIR}/lib/${CMAKE_SHARED_LIBRARY_PREFIX}msgpack*${CMAKE_SHARED_LIBRARY_SUFFIX}*
    -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/InstallMsgpack.cmake)
list(APPEND THIRD_PARTY_DEPS msgpack)