show-elf-dependency.sh

#!/usr/bin/env bash

#by greg minshall

needs=`readelf -d $1 | \
  awk '$2=="(NEEDED)" {
      gsub("[][]", "", $5); 
      hits[$5]=$5
  }
  END {
      for (i in hits) {
          printf(sprintf("%s ", i))
      }
  }'`

ldconfig -p | \
    awk -vneeds="$needs" \
       'BEGIN{
          split(needs,aneeds)
        }

        { 
          if (!arr[$1]) 
            arr[$1] = $NF
        }

        END { 
          for (i in aneeds) { 
            need = aneeds[i]; 
            if (arr[need]) {
              print need "\t" arr[need]
            } else {
               print "unfulfilled:", need
            }
          }
       }'