Update CMake build configuration#6

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nyue wants to merge 4 commits intoThinkboxSoftware:masterfrom

Commits on Sep 9, 2020

Update CMake build configuration
nyue
committed

Commits on Sep 10, 2020

Port to Windows
Nicholas Yue
committed
Fix z library name on Linux for Houdini
nyue
committed
More windows clean up
Nicholas Yue
committed