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alpaka-group / cupla

C++ User interface for the Platform independent Library Alpaka :arrows_clockwise:
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CMake: Honor _ROOT Env Hints #99

Closed ax3l closed 5 years ago

ax3l commented 5 years ago

CMake 3.12.0+ honor <Package>_ROOT environment hints which are often set on HPC systems. Previously, it was only looking for <Package>_DIR paths in find_package calls.

This new policy is useful since HPC systems usually set _DIR, _ROOT or expand the CMAKE_PREFIX_PATH. Therefore we want to use it as soon as it is available.

On systems where those env vars are set, e.g. Hypnos, this also throws a warning if the default (OLD) policy is used with CMake 3.12.4 or newer.

References:

psychocoderHPC commented 5 years ago

@ax3l Are you a bot ;-) I accepted the PR now in the third project ^^