#! /usr/bin/ksh

# Original Author: Ralph Goers(rgoer@Candle.Com)
# Borrowed heavily from Tim Mooney's HP version.
# This file is distributed under the terms of the GNU General Public License
#
# find-requires is part of RPM, the RedHat Package Manager.  find-requires
# reads a list of full pathnames (in a package) on stdin, and outputs all
# shared libraries the package requires to run correctly.
#

find_prov_ia64()
{
   # On AIX for IA64, use the file command to find shared modules
   #
   # Example file output:
   #
   #$file /usr/lib/ia64l32/libc.so
   #/usr/lib/ia64l32/libc.so:     ELF 32-bit LSB version 1 AIX shared obj IA-64
   # 
   #
   #
   
   # Search for shared objects - the file command on AIX for IA64 reports 
   # shared objects
   sed -e "s/['\"]/\\\&/g" -e "s/$/\//g" | LANG=C xargs file | grep -e ":.*shared obj" | cut -d: -f1 | sed "s/\/$//g" | xargs -i basename {} | sort -u
}

find_prov_power()
{
   #
   # Example dump output:
   #
   #$dump -H /usr/bin/dump
   #
   #/usr/bin/dump:
   #
   #                        ***Loader Section***
   #                      Loader Header Information
   #VERSION#         #SYMtableENT     #RELOCent        LENidSTR
   #0x00000001       0x00000021       0x0000006c       0x0000002f
   #
   ##IMPfilID        OFFidSTR         LENstrTBL        OFFstrTBL
   #0x00000002       0x00000848       0x00000049       0x00000877
   #
   #
   #                        ***Import File Strings***
   #INDEX  PATH                          BASE                MEMBER
   #0      /usr/lib:/lib:/usr/lpp/xlC/lib
   #1                                    libc.a              shr.o
   
   #
   #
   
   # Search executables, archives, and symlinks to those types for shared
   # objects
   sed -e "s/['\"]/\\\&/g" -e "s/$/\//g" | LANG=C xargs file | grep -e ":.*executable" -e ":.*archive" | cut -d: -f1 | sed "s/\/$//g" |
   
   # Use the verbose version of dump to find the sharable objects 
   while read f
   do
           LANG=C /usr/bin/dump -ov $f/ 2>/dev/null | egrep "^Flags.*SHROBJ|:$" |
   	awk 'match($1,":$") { member=$1 }
   	!match($1,":$") {print member} '
   done | sed -e 's/:$//' -e 's/\/\[/\(/g' -e 's/\]/)/g' | xargs -i basename {} | 
   sort -u
}

PATH=/usr/bin

machinetype=`uname -m`
if [[ $machinetype = "ia64" ]]
then
   find_prov_ia64
else
   find_prov_power
fi