[cmake-developers] Exports, genexes and INTERFACE_INCLUDE_DIRECTORIES

[Stephen Kelly]

Hi,

I've just pushed the export-includes topic to my clone. It adds some 
testcases and new errors for cases involving INTERFACE_INCLUDE_DIRECTORIES 
with generator expressions which are not at the start of the path. It turns 
out we have some bugs there, some of which need policies to solve, I think.

Before implementing the policies, could I get a review of what I wrote and 
tested to be 'good code' and 'bad code'? It's a bit complex.

Thanks,

Steve.