Features in Development Tools
I received exactly 0 complaints about this feature not working, but I'm finally implementing it anyways.
The do-not-compile flag now works for CMake again.
However, it only works for modules that have specially coded support for it in CMakeLists.txt (i.e. the ones that you can already do -DBUILD_foo=OFF for).
Luckily this is pretty well established at this point.