#!/bin/sh

if [ "$help" = "1" ]
then
	cat << EOF
Luma options:

  --enable-lumas            This must be explicitly enabled since they can now
                            be generated dynamically.
  --luma-compress         - Produce compressed (png) lumas
  --luma-8bpp             - Produce 8 bit pgm lumas (default is 16 bit)

EOF

else

	rm -f .8bit .compress .executed

	for i in "$@"
	do
		case $i in
			--enable-lumas )    lumas_enabled=1;;
			--luma-compress )	touch .compress .8bit ;;
			--luma-8bit )		touch .8bit ;;
		esac
	done

	if [ "$lumas_enabled" != "1" ]; then
		echo "- not explicitly enabled: disabling"
		touch ../disable-lumas
		exit 0
	fi

fi

