scripts/relink-lib.sh

   1 #!/bin/sh
   2 [ $# -lt 4 -o -z "$1" -o -z "$2" -o -z "$3" -o -z "$4" ] && {
   3         echo "Usage: $0 <cross> <reference> <pic .a> <destination>"
   4         exit 1
   5 }
   6
   7 cross="$1"; shift
   8 ref="$1"; shift
   9 pic="$1"; shift
  10 dest="$1"; shift
  11
  12 SYMBOLS="$(${cross}nm "$ref" | grep -E '........ [TW] ' | awk '$3 {printf "-u%s ", $3}')"
  13 set -x
  14 ${cross}gcc -nostdlib -nostartfiles -shared -Wl,--gc-sections -o "$dest" $SYMBOLS "$pic" "$@"