Usage: gnumake [options] [target] ...

Options:

  -b, -m                                  Ignored for compatibility.
  -C DIRECTORY, --directory=DIRECTORY     Change to DIRECTORY before doing anything.
  -d, --debug                             Print lots of debugging information.
  -e, --environment-overrides             Environment variables override makefiles.
  -f FILE, --file=FILE, --makefile=FILE   Read FILE as a makefile.
  -h, --help                              Print this message and exit.
  -i, --ignore-errors                     Ignore errors from commands.
  -I DIRECTORY, --include-dir=DIRECTORY   Search DIRECTORY for included makefiles.
  -j [N], --jobs[=N]                      Allow N jobs at once; infinite jobs with no arg.
  -k, --keep-going                        Keep going when some targets can't be made.
  -l [N], --load-average[=N]              Don't start multiple jobs unless load is below N.
          --max-load[=N]
  -n, --just-print, --dry-run, --recon    Don't actually run any commands; just print them.
  -o FILE, --old-file=FILE,               Consider FILE to be very old and don't remake it.
           --assume-old=FILE
  -p, --print-data-base                   Print make's internal database.
  -q, --question                          Run no commands; exit status says if up to date.
  -r, --no-builtin-rules                  Disable the built-in implicit rules.
  -s, --silent, --quiet                   Don't echo commands.
  -S, --no-keep-going, --stop             Turns off -k.
  -t, --touch                             Touch targets instead of remaking them.
  -v, --version                           Print the version number of make and exit.
  -w, --print-directory                   Print the current directory.
  --no-print-directory                    Turn off -w, even if it was turned on implicitly.
  -W FILE, --what-if=FILE,                Consider FILE to be infinitely new.
     --new-file=FILE, --assume-new=FILE
  -N OPTION, --NeXT-option=OPTION         Turn off value of NeXT OPTION.
  --warn-undefined-variables              Warn when an undefined variable is referenced.