[CMake] FIND_PACKAGE () : self location ?

[Nicholas Yue]

Hi,

  I am improving an in-house Find*.cmake and need to determine
(programmatically) where it (the Find*.cmake file) is located because I
need to run a companion python script. Is there some variable I can query ?

  If not, I will find a different way but the above seems more intuitive
and less fragile when moving things around.

Cheers
-- 
Nicholas Yue
Graphics - Arnold, Alembic, RenderMan, OpenGL, HDF5
Custom Dev - C++ porting, OSX, Linux, Windows
http://au.linkedin.com/in/nicholasyue
https://vimeo.com/channels/naiadtools
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