Some errors in GitHub Actions workflows

[MinoruSekine]

Describe the bug

• Some errors in GitHub Actions workflows
  • https://github.com/MinoruSekine/libfixedpointnumber/actions/runs/669125591
  • https://github.com/MinoruSekine/libfixedpointnumber/actions/runs/669138631
  • https://github.com/MinoruSekine/libfixedpointnumber/actions/runs/669152084

[MinoruSekine]

In cpplint failure, this seems unexpected behavior

vagrant@ubuntu-bionic:~/work/libfixedpointnumber$ ../styleguide/cpplint/cpplint.py --filter=-build/include test/test_math_abs.cc 
vagrant@ubuntu-bionic:~/work/libfixedpointnumber$ echo $?
1
vagrant@ubuntu-bionic:~/work/libfixedpointnumber$ 

[MinoruSekine]

vagrant@ubuntu-bionic:~/work/libfixedpointnumber$ ../styleguide/cpplint/cpplint.py /dev/null
vagrant@ubuntu-bionic:~/work/libfixedpointnumber$ echo $?
1
vagrant@ubuntu-bionic:~/work/libfixedpointnumber$ 

Hmmm... May ln -s ../../bin/python3 /usr/local/bin/python make anything wrong?

[MinoruSekine]

https://github.com/cpplint/cpplint doesn't make above issue. It seems valuable to consider switching cpplint from google's one to forked one.