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Remove explicit -march=native as it should be inherited from GTSAM#172

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MIT-SPARK:masterfrom
mateosss:pr/inherit-march
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Remove explicit -march=native as it should be inherited from GTSAM#172
mateosss wants to merge 2 commits into
MIT-SPARK:masterfrom
mateosss:pr/inherit-march

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@mateosss mateosss commented Sep 9, 2021

As explained in MIT-SPARK/Kimera-RPGO#68 the -march=native flag is already inherited from GTSAM. Adding to that, if GTSAM disables -march=native having it hardcoded here introduces difficult-to-debug crashes.

A mismatch of this flag causes issues with Eigen that are difficult to debug.
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