CMAKE_FIND_PACKAGE_SORT_DIRECTION

The sorting direction used by CMAKE_FIND_PACKAGE_SORT_ORDER. It can assume one of the following values:

DEC: Default. Ordering is done in descending mode. The highest folder found will be tested first.
ASC: Ordering is done in ascending mode. The lowest folder found will be tested first.

If CMAKE_FIND_PACKAGE_SORT_ORDER is not set or is set to NONE this variable has no effect.

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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.7/variable/CMAKE_FIND_PACKAGE_SORT_DIRECTION.html