ExternalProject_Add(
  Json

  GIT_REPOSITORY ${JSON_URL}
  GIT_TAG ${JSON_TAG}

  BUILD_IN_SOURCE 1
  SOURCE_DIR ${DEPS_BUILD_DIR}/json

  CONFIGURE_COMMAND ${CMAKE_COMMAND}
        -DJSON_BuildTests=OFF
        -DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
        -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}

  BUILD_COMMAND ${CMAKE_COMMAND} --build ${DEPS_BUILD_DIR}/json 
  INSTALL_COMMAND make install
)

list(APPEND THIRD_PARTY_DEPS Json)