#! /bin/sh

# make-j script from Alexandre Oliva <aoliva@redhat.com> for use with distcc

# Tests which machines are up, and runs Make with concurrency set
# appropriately.

hostlist=$DISTCC_HOSTS
distcc_port=4200
DISTCC_HOSTS=
count=0
for h in $hostlist; do
  echo trying $h... >&2
  if test "x$h" = xlocalhost || nc -z $h $distcc_port; then
    echo added $h... >&2
    DISTCC_HOSTS=`echo $DISTCC_HOSTS $h` # remove leading blank
    count=`expr $count + 1`
  fi
done
export DISTCC_HOSTS
exec make -j $count ${1+"$@"}