citadel

My dotfiles, scripts and nix configs
git clone git://jb55.com/citadel
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undefined-symbols (357B)

      1 #!/usr/bin/env bash
      2 
      3 usage () {
      4     printf "usage: undefined-symbols lib.a\n\n"
      5     printf "  print external undefined symbols in an archive\n\n"
      6     exit 1
      7 }
      8 
      9 [ -z "$1" ] && usage
     10 
     11 exec comm -13 \
     12  <(nm "$1" | egrep ' [BDTW] ' | sed -e 's/.* [BDTW] //' | sort -u) \
     13  <(nm "$1" | grep ' U ' | sed -e 's/.* U //' | sort -u) \
     14     | grep -v '^_' \
     15     | less