#!/bin/bash

# Runs a make target on all inputs at once.

# Creates a job in the calling shell for each process.

self="${BASH_SOURCE[0]}"

selfDir="$(dirname -- "$self")"

# Was run without initial ".", or with insufficient parameters

if test "${BASH_LINENO[0]}" = 0 -o "$#" -lt 1; then

    echo "Usage: . $self make_target (note initial \".\")"|fold -s >&2

    return 2

fi

for input in inputs/*/; do

    eval "make ${input}$1 &"

    disown -h "$(jobs|tail -1|"$selfDir/jobspecs")" # ignore SIGHUP

    sleep 2 # wait for initial output so that outputs don't become jumbled

done