Added OMP_INC to GLLib to fix compilation issues on macOS #568

Job	Run time
call_workflow / Start self-hosted EC2 runner	2m 28s
call_workflow / Clone and build	5m 6s
call_workflow / Upload artifacts to repo	35s
call_workflow / Stop self-hosted EC2 runner	1m 0s
call_workflow / Publish to S3	19s
call_workflow / Run test suite	0s
	9m 28s

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