[Cmake] Another gripe about CMake

[Brad King]

> I guess what I was trying to say was: "cmake should not crash if I
> decide to delete the Modules directory". If I delete math.h, and don't
> use it, gcc doesn't crash: the equivalent is not true with CMake in your
> example.

Try removing /usr/lib/gcc-lib and see if g++ still runs correctly.  I
agree CMake shouldn't crash, but it always needs its module directory to
work.

-Brad