These problems were found building in circuitpython:
../../extmod/ulab/code/numerical.c:671:5: error: "ULAB_NUMERICAL_ARGSORT" is not defined, evaluates to 0 [-Werror=undef]
671 | #if ULAB_NUMERICAL_ARGSORT
| ^~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
../../extmod/ulab/code/ulab.c:150:9: error: "ULAB_VECTORISE_" is not defined, evaluates to 0 [-Werror=undef]
150 | #if ULAB_VECTORISE_
| ^~~~~~~~~~~~~~~
../../extmod/ulab/code/ulab.c:159:9: error: "ULAB_VECTORISE_TAHN" is not defined, evaluates to 0 [-Werror=undef]
159 | #if ULAB_VECTORISE_TAHN
| ^~~~~~~~~~~~~~~~~~~
../../extmod/ulab/code/ulab.c:198:9: error: "ULAB_NUMERICAL_ARGSORT" is not defined, evaluates to 0 [-Werror=undef]
198 | #if ULAB_NUMERICAL_ARGSORT
| ^~~~~~~~~~~~~~~~~~~~~~
