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#! /bin/sh
#
# mksyms.sh
#
# Extract symbols to export from C-header files.
# output in version-script format for linking shared libraries.
#
# This is the shell wrapper for the mksyms.awk core script.
#
# Copyright (C) 2008 Michael Adam <obnox@samba.org>
#
LANG=C
export LANG
LC_ALL=C
export LC_ALL
LC_COLLATE=C
export LC_COLLATE
if [ $# -lt 2 ]; then
echo "Usage: $0 awk output_file header_files"
exit 1
fi
awk="$1"
shift
symsfile="$1"
shift
symsfile_tmp="$symsfile.$$.tmp~"
proto_src="$(echo "$@" | tr ' ' '\n' | sort | uniq)"
echo creating $symsfile
mkdir -p $(dirname $symsfile)
${awk} -f $(dirname $0)/mksyms.awk $proto_src >$symsfile_tmp
if cmp -s $symsfile $symsfile_tmp 2>/dev/null; then
echo "$symsfile unchanged"
rm $symsfile_tmp
else
mv $symsfile_tmp $symsfile
fi
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