#!/bin/sh

if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ] || [ -z "$4" ] ; then
  echo "Usage: $0 <src> <libdir> <version> <major_version>"
  exit 1
fi


NAME=$(basename $1)
LIBNAME=${NAME/.dylib/.$4.dylib}

SRC="$1"
DST="$2/$LIBNAME"
LN_DST="$2/$NAME"

cp -f "$SRC" "$DST"

install_name_tool -id "$DST" "$DST"

rm -f "$LN_DST"
ln -s "$LIBNAME" "$LN_DST"
