source3/script/mksyms.sh

   1 #! /bin/sh
   2
   3 #
   4 # mksyms.sh
   5 #
   6 # Extract symbols to export from C-header files.
   7 # output in version-script format for linking shared libraries.
   8 #
   9 # This is the shell wrapper for the mksyms.awk core script.
  10 #
  11 # Copyright (C) 2008 Michael Adam <obnox@samba.org>
  12 #
  13
  14 LANG=C
  15 export LANG
  16 LC_ALL=C
  17 export LC_ALL
  18 LC_COLLATE=C
  19 export LC_COLLATE
  20
  21 if [ $# -lt 2 ]; then
  22         echo "Usage: $0 awk output_file header_files"
  23         exit 1
  24 fi
  25
  26 awk="$1"
  27 shift
  28
  29 symsfile="$1"
  30 shift
  31 symsfile_tmp="$symsfile.$$.tmp~"
  32
  33 proto_src="$(echo "$@" | tr ' ' '\n' | sort | uniq)"
  34
  35 echo creating $symsfile
  36
  37 mkdir -p $(dirname $symsfile)
  38
  39 ${awk} -f $(dirname $0)/mksyms.awk $proto_src >$symsfile_tmp
  40
  41 if cmp -s $symsfile $symsfile_tmp 2>/dev/null; then
  42         echo "$symsfile unchanged"
  43         rm $symsfile_tmp
  44 else
  45         mv $symsfile_tmp $symsfile
  46 fi