[CMake] Recursively include target include directories only

[Robert Dailey]

On Thu, Jun 18, 2015 at 12:02 PM, Dan Liew <dan at su-root.co.uk> wrote:
>> Can you explain what you mean by "strong" and "weak" symbols?
>
>
> Google is your friend
>
> https://en.wikipedia.org/wiki/Weak_symbol
>
> http://stackoverflow.com/questions/2290587/gcc-style-weak-linking-in-visual-studio

Normally Google is my friend, but today it hates me. Because no such
feature exists for MSVC that I saw.