Hi,

I have a windows application consisting of about 550 Visual Studio projects. 
Entire CMake run on this takes about 3 minutes, with VS 2010 generator, and 
I've been thinking about ways to speed it up.

So if I understand correctly, now, when I have the entire build generated and I 
change one CMakeLists.txt file, the entire configuration/generation is rerun 
from scratch (right?).

So I've been thinking if It would be possible to cache results of configuration 
phase and only run the scripts in their entirety when they has been changed 
(determined by timestamp or hash). Otherwise only
add_subdirectory functions are executed. I've looked into the code only a bit 
so I might be wrong about how it works - if so please correct me.

Did you guys maybe think about something like this?

Regards,
J

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