src/liblzma/validate_map.sh

   1 #!/bin/sh
   2
   3 ###############################################################################
   4 #
   5 # Check liblzma.map for certain types of errors
   6 #
   7 # Author: Lasse Collin
   8 #
   9 # This file has been put into the public domain.
  10 # You can do whatever you want with this file.
  11 #
  12 ###############################################################################
  13
  14 LC_ALL=C
  15 export LC_ALL
  16
  17 STATUS=0
  18
  19 cd "$(dirname "$0")"
  20
  21 # Get the list of symbols that aren't defined in liblzma.map.
  22 SYMS=$(sed -n 's/^extern LZMA_API([^)]*) \([a-z0-9_]*\)(.*$/\1;/p' \
  23                 api/lzma/*.h \
  24         | sort \
  25         | grep -Fve "$(sed '/[{}:*]/d;/^$/d;s/^ //' liblzma.map)")
  26
  27 # Check that there are no old alpha or beta versions listed.
  28 VER=$(cd ../.. && sh build-aux/version.sh)
  29 NAMES=
  30 case $VER in
  31         *alpha | *beta)
  32                 NAMES=$(sed -n 's/^.*XZ_\([^ ]*\)\(alpha\|beta\) .*$/\1\2/p' \
  33                         liblzma.map | grep -Fv "$VER")
  34                 ;;
  35 esac
  36
  37 # Check for duplicate lines. It can catch missing dependencies.
  38 DUPS=$(sort liblzma.map | sed '/^$/d;/^global:$/d' | uniq -d)
  39
  40 # Print error messages if needed.
  41 if test -n "$SYMS$NAMES$DUPS"; then
  42         echo
  43         echo 'validate_map.sh found problems from liblzma.map:'
  44         echo
  45
  46         if test -n "$SYMS"; then
  47                 echo 'liblzma.map lacks the following symbols:'
  48                 echo "$SYMS"
  49                 echo
  50         fi
  51
  52         if test -n "$NAMES"; then
  53                 echo 'Obsolete alpha or beta version names:'
  54                 echo "$NAMES"
  55                 echo
  56         fi
  57
  58         if test -n "$DUPS"; then
  59                 echo 'Duplicate lines:'
  60                 echo "$DUPS"
  61                 echo
  62         fi
  63
  64         STATUS=1
  65 fi
  66
  67 # Exit status is 1 if problems were found, 0 otherwise.
  68 exit "$STATUS"