#!	/bin/sh

# Generates dependencies for searching F90 .mod files
# in external directories

usage () {
	echo "Usage: mkmoddep -f <comp_file> <dir1> [ <dir2> ... ]
    or mkmoddep -c <comp_name> <dir1> [ <dir2> ... ]" 1>&2
	exit 1
}

if [ $# -lt 3 ]; then
	usage
fi

case $1 in
	-c)	compiler=$2
		shift
		shift ;;
	-f)	file=$2
		if [ ! -f $file ]; then
			echo "mkmoddep: cannot find file $file" 1>&2
			exit 2
		fi
		compiler=`cat $file`
		shift
		shift ;;
	*)	usage ;;
esac

result=""
case $compiler in
	lf95|g95|intel|intel-Xeon|intelhifi|HP90|gfortran)	for dir
		do
			if [ ! -d $dir ]; then
				echo "mkmoddep: directory $dir not found" 1>&2
				exit 4
			fi
			result="$result -I$dir"
		done ;;
	*)	echo "mkmoddep: unknown compiler $compiler" 1>&2
		exit 3 ;;
esac
echo "MODDEP=$result"
echo 'FFLAGS+=$(MODDEP)'