gnatprep --version (return code: 0)
GNATPREP 7.2.0 Copyright (C) 1996-2017, Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
gnatprep --help (return code: 0)
GNAT Preprocessor 7.2.0 Copyright (C) 1996-2017, Free Software Foundation, Inc. Usage: gnatprep [-bcrsuv] [-Dsymbol=value] infile outfile [deffile] infile Name of the input file outfile Name of the output file deffile Name of the definition file gnatprep switches: --version Display version and exit --help Display usage and exit -b Replace preprocessor lines by blank lines -c Keep preprocessor lines as comments -C Do symbol replacements within comments -D Associate symbol with value -r Generate Source_Reference pragma -s Print a sorted list of symbol names and values -T Use LF as line terminators -u Treat undefined symbols as FALSE -v Verbose mode Report bugs to firstname.lastname@example.org