我正在尝试构建一个从github下载的草图：
https://github.com/Murphy3220/Razor-AHRS-SEN-14001
...并收到以下错误：
Archiving built core (caching) in: /tmp/arduino_cache_578662/core/core_SparkFun_samd_samd21_9dof_73bc95c36c92dd5071665d4df9b2bc75.a
Sketch uses 48472 bytes (18%) of program storage space. Maximum is 262144 bytes.
An error occurred while uploading the sketch
/home/cbrown/.arduino15/packages/SparkFun/tools/bossac/1.4.0/bossac: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.21' not found (required by /home/cbrown/.arduino15/packages/SparkFun/tools/bossac/1.4.0/bossac)
/home/cbrown/.arduino15/packages/SparkFun/tools/bossac/1.4.0/bossac: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /home/cbrown/.arduino15/packages/SparkFun/tools/bossac/1.4.0/bossac)
我做错了什么？