PGASetEvaluationUpToDateFlag(3) on Linux
The text 0a69c2cfef06, as Debian 1.1 (Buzz) shipped it.
sets the flag associated with a string to PGA_TRUE or PGA_FLASE to indicate whether the evaluate function value is out-of-date or not. Note that this flag is always set to PGA_TRUE when PGASetEvaluation is called.