#!/bin/bash
DIR="$1"
shift 1
case "$DIR" in
    "" | ".")
        gcc -MM -MG "$@" | sed -e "s@^\(.*\)\.o:@\1.d \1.o:@"
    ;;
    *)
        gcc -MM -MG "$@" | sed -e "s@^\(.*\)\.o:@$DIR/\1.d $DIR/\1.o:@"
    ;;
esac

# Shamelessly stolen from Peter Miller's "Recursive Make Considered Harmful"
    # https://web.archive.org/web/20250404190928/https://aegis.sourceforge.net/auug97.pdf