FindMotif

Try to find Motif (or lesstif)

Once done this will define:

MOTIF_FOUND        - system has MOTIF
MOTIF_INCLUDE_DIR  - include paths to use Motif
MOTIF_LIBRARIES    - Link these to use Motif

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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.15/module/FindMotif.html