Available targets:
	  all		Make all enabled products ('prepare' and
			'install')

	  help		Print this text and a list of enabled and
			disabled products

	  prepare	Perform all preparations which may require user
			interaction (e.g., CVS login)

	  configure	Configure the build directory with default settings
			for all products

	  install	Build and install all enabled products
			User interaction may be required within the
			build if 'prepare' has not yet been used

	  wrapup	Wrapup fgfs-builder without sources

	  wrapup-source	Wrapup fgfs-builder with sources

	  download	(Re-)Download sources of enabled products

	  patch		Apply previously unapplied patches to all
			enabled products

	  unpatch	Unapply all applied patches from all enabled
			products

	  clean		Delete all files of the enabled products which
			are normally created during build.

	  distclean	Delete all files of the enabled products which
			are normally created during configuration or
			build.

	  realclean	Delete the build directories of the enabled
			packages.

	  disableall	Disable all products.

	  enable-<product>
			Enable the given product and all products it
			depends on.

	  disable-<product>
			Disable the given product.

	  <product>	Run 'prepare' and 'install' on the given product
			and all products it depends on.

	  <product>-<target>
			Run <target> on the given product.
			Allowed targets are:
				prepare configure download patch
				install unpatch clean distclean
				realclean
			Note that in case of 'prepare' and 'install'
			the target is also run for all products on which
			<product> depends.
