Currently, CLion supports:
More details are available in our webhelp.
Regarding QMake, Scons and others, please find the feature request in our tracker to vote and comment on the subtasks. Your votes in the issue tracker will factor into our decision about where to expand first. The most popular options so far are:
Also, consider working with the unsupported or custom project models via Compilation Database.
Feel free to vote and leave comments in these requests so we can better understand and meet your needs.