Add preprocessor variable `USE_PDAF` #26

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2 errors and 3 warnings

No available formula with the name "pkg-config@0.29.2". Did you mean pkg-config-wrapper?

Process completed with exit code 1.

gcc@13 13.3.0 is already installed and up-to-date. To reinstall 13.3.0, run: brew reinstall gcc@13

HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK is set: not checking for outdated dependents or dependents with broken linkage!

Already linked: /opt/homebrew/Cellar/open-mpi/5.0.6