[CMake] library name from subdirectory and setting the CACHE - a "listening" variable?

[Eric Noulard]

2010/7/29 Clifford Yapp <cliffyapp at gmail.com>:
> Got it - was using a VTK macro for third_party inclusion that was
> using SUBDIRS - switching it to ADD_DIRECTORY got me going.  Awesome!

SUBDIRS is deprecated but it's good to know that it's behavior
is not strictly equivalent to  ADD_DIRECTORY in some case.

-- 
Erk
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