Clion doesn’t have Scons support still:
https://youtrack.jetbrains.com/issue/CPP-1102
9 years!
https://youtrack.jetbrains.com/issue/RUBY-9302
https://youtrack.jetbrains.com/issue/IDEA-226503/It-is-not-c...
…languish for years. Just about every Python project I have worked on has a number of bogus warnings (that is, the code that triggers the warning is correct and the warning objectively does not apply), and my last experience trying to report a problem with their inspections system put me off ever wasting the time to do it again.