Fix Makefile and Circle CI setting

[mpppk]

No description provided.

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@bf77d76). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master       #8   +/-   ##
=========================================
  Coverage          ?   61.53%           
=========================================
  Files             ?        3           
  Lines             ?       26           
  Branches          ?        0           
=========================================
  Hits              ?       16           
  Misses            ?       10           
  Partials          ?        0

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update bf77d76...bed12ac. Read the comment docs.