I don't know why I was downvoted here. One day, I was experiencing weird compilation errors. Clearing the `ccache` C/C++ compiler cache helped get past the problem. Yes, I could have investigated in detail what was the issue and if ccache had a bug but sometimes you don't have the luxury of investigating everything your toolchain throws at you.
You don't use it, but you're offering unsolicited advice about it, and that advice is very generic.
It's not even an argument that you're wrong, just that it's not contributing much and people think that other replies should come first.