1#!/bin/sh
2[ $# -lt 4 -o -z "$1" -o -z "$2" -o -z "$3" -o -z "$4" ] && {
3	echo "Usage: $0 <cross> <reference> <pic .a> <destination>"
4	exit 1
5}
6
7cross="$1"; shift
8ref="$1"; shift
9pic="$1"; shift
10dest="$1"; shift
11
12SYMBOLS="$(${cross}nm "$ref" | grep -E '........ [TW] ' | awk '$3 {printf "-u%s ", $3}')"
13set -x
14${cross}gcc -nostdlib -nostartfiles -shared -Wl,--gc-sections -o "$dest" $SYMBOLS "$pic" "$@"
15