#!/bin/bash
# Copyright 2009-2010 Gilbert Ashley <amigo@ibiblio.org>
# re-written from an idea by
# Ricardo Garcia Gonzalez.
# His version needed bash-4, awk, cat, cut, grep and tr -plus objdump
# This only needs bash >=3.0 and objdump :-)
# I added the "not found" report
# version 0.1

if [[ -n $1 ]] ; then
  declare MY_LIBS="$(objdump -p $@ |grep NEEDED)"
  # Library directories.
  LIBDIRS=${LD_LIBRARY_PATH//:/ }"/lib$LIBDIRSUFFIX /usr/lib$LIBDIRSUFFIX"
  if [[ -r /etc/ld.so.conf ]] ; then
	while read LINE ; do
		LIBDIRS=${LIBDIRS}" $LINE"
	done < /etc/ld.so.conf
  fi

  #LIBDIRS=${LIBDIRS}${LD_LIBRARY_PATH//:/ } 

  for LINE in $(echo $MY_LIBS) ; do
	HAVE_LIB=0
	if [[ $LINE != "NEEDED" ]] ; then
		for LIBDIR in $LIBDIRS ; do
			if [[ -e "$LIBDIR/$LINE" ]] ; then
				# don't use '-x' which requires the lib to be executable
				HAVE_LIB=1
				echo "$LIBDIR/$LINE"
				# for an output more like the real ldd:
				# echo "$LINE => $LIBDIR/$LINE"
				break
			else
				continue
			fi
		done
		if [[ $HAVE_LIB != 1 ]] ; then
			echo "$LINE"" not found"
			# for an output more like the real ldd:
			# echo "$LINE => not found"
		fi
	fi
  done
fi