#!/bin/rc

rfork e

includes=(/sys/include /$objtype/include)
dirs=(.)

st = ''

while(~ $1 -*){
	switch($1){
	case -d
		shift
		dirs=($1 $dirs)
	case -d*
		inc=`{echo $1 | sed 's/-d//'}
		dirs=($inc $dirs)
	case -I
		shift
		includes=($includes $1)
	case -I*
		inc=`{echo $1 | sed 's/-I//'}
		includes=($includes $inc)
	case -*
		echo Ignoring flag $1 >[1=2]
	}
	shift
}

for(f in $*){
	file=''
	for(d in $dirs){
		if(test -e $d/$f)
			file = $d/$f
	}
	if(! ~ $file ''){
		incbase=`{grep '^[ 	]*#include' $file | sed 's/.*#include[ 	]+[<"](.*)[>"][ 	]*$/ \1/'}
		incfiles=()
		for (j in $incbase) {
			incfile=''
			for (i in (. $includes)) {
				if (test -r $i/$j) {
					incfile=$i/$j
				}
			}
			if (! ~ $incfile '') {
				incfiles=($incfiles $incfile)
			}
			if not {
				st = $file^': cannot find '^$j
				echo $st >/fd/2
			}
		}
		echo `{basename $file .c}^'.$O': $incfiles | \
		sed 's/\/'$objtype'\//\/$objtype\//g
			s/ \.\// /g'
	}
}
exit $st