#!/bin/bash
: ${graph_tools:=dot}   # dot neato
mkdir -p .g .g/sub .g/use
ln -sf .g g
i=0
t=()
d=()
net_files >.find.$$
while IFS= read -r P; do
	for G in $graph_tools; do
		for T in png pdf; do
			t[$i]="g/$P.$G.$T"
			d[$i]="g/`dirname "$P"`"
			i=$[$i+1]
		done
	done
done <.find.$$
rm .find.$$
if [ "$i" -gt 0 ]; then
    mkdir -p "${d[@]}"
    make -f "`readlink -f "$0"`".make "${t[@]}"
fi