Add libaec_ROOT as search hint for FindAEC #163
Merged
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Since CMake 3.12 it is accustomed that find_package can also receive hints from the
<PackageName>_ROOT
variable.This PR adds support for this variable within FindAEC. The cmake package name should be libaec as that is how the package normally advertises itself if config mode were to be used.
This means that a libaec module can now set "export libaec_ROOT=..."
This PR is harmless, just adding extra search hints.