CMake: how best to build multiple (optional) subprojects?

Question

Imagine an overall project with several components:

• basic
• io
• web
• app-a
• app-b
• app-c

Now, let\'s say web

Answer 1

The CMake BASIS tool provides utilities where you can create independent modules of a project and selectively enable and disable them using the ccmake command.

Full disclosure: I'm a developer for the project.