It is useful with some badly written build systems that think they have to write every invocation of gcc to stdout. Like every badly written Makefile out there.

It is useful with some badly written build systems that think they have to write every invocation of gcc to stdout. Like every badly written Makefile out there. Or `cat myapp/log/yesterday.log`. You can work around both but it's clunky. And also it's a thing that's not a must have, just a nice(r) to have.