#!/bin/bash
# Make a list of libraries that the files mentioned in the supplied file link to.

source `which ttPM-funcs` 2>/dev/null || exit 1

if [ $# = 0 ]
then
	printMsg warning "Usage: `basename [-l] $0` file"
	printmsg warning "-l uses ldd instead of readelf to find linked libs"
	exit 1
fi
USE_LDD=false
if [ "$1" = "-l" ]
then
	USE_LDD=true
	shift
fi
if [ ! -f $1 ]
then
	printMsg warning "Given file does not exist"
	exit 1
fi

TMPFILE1=`mktemp`
TMPFILE2=`mktemp`

# Create a list of all linked libraries
for F in `cat ${1}`
do
	if [ "$USE_LDD" = "true" ]
	then
		ldd ${F} 2>/dev/null | grep = >> $TMPFILE1 2>/dev/null
	else
		readelf -d $F 2>/dev/null | grep NEEDED >> $TMPFILE1
	fi
done
if [ "$USE_LDD" = "true" ]
then
	cat $TMPFILE1 | grep -v "not found" | grep -v "linux-gate.so.1" | cut -f 3 -d " " | sort | uniq
else
	cat $TMPFILE1 | cut -d "[" -f 2,2 | sed -e "s@]@@g" | sort | uniq > $TMPFILE2
	for i in $(cat $TMPFILE2)
	do
		if [ -f /lib/$i ]
		then
			echo /lib/$i
		elif [ -f /usr/lib/$i ]
		then
			echo /usr/lib/$i
		else
			# We don't care for libs that are not in the std libpath
			#echo $i
			:
		fi
	done
fi

# Clean the tmp file
rm -f $TMPFILE1 $TMPFILE2