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https://www.myerrorsandmysolutions.com/cygwin-error-cannot-find-make-program-please-install-cygwin-make-package-or-define-the-gnumake-variable-to-point-to-it/
Cygwin - "ERROR: Cannot find 'make' program. Please install Cygwin make package or define the GNUMAKE variable to point to it."