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#!/bin/sh
# TODO
# - fix checking of .a libs; problem is that "nm -g --defined-only" lists
# internal symbols; this can be solved by using objdump, but it's probably
# good enough to just run the tests on the shared lib
if test x"$srcdir" != x""; then
builddir="." # running from make check, but it does not define that
else
srcdir=`echo "$0" | sed s,[^/]*$,,`
test "$srcdir" = "$0" && srcdir=.
test -z "$srcdir" && srcdir=.
builddir="$srcdir" # running manually, have to assume
fi
srcdir=`cd $srcdir;pwd`
builddir=`cd $builddir;pwd`
error=0
# check_bad_public_symbols <symbol prefix> <lib file> [<lib file>...]
#
# checks public symbols in shared libs:
# - allow prefix_anything
# - reject _prefixanything
# - allow _anything
# - reject anything else
#
# NB: skips missing files
check_bad_public_symbols() {
symbols_prefix="$1"
shift
lib_files=`ls "$@" 2>/dev/null`
[ -z "$lib_files" ] && return
bad_globals=`nm -g --defined-only $lib_files |
awk '{if ($3) print $3}' |
sed -n "/^${symbols_prefix}_/ d; /^_${symbols_prefix}/ { p; d }; /^_/ d; p"`
[ -z "$bad_globals" ] && return
error=1
echo BAD GLOBAL SYMBOLS in $lib_files:
echo "$bad_globals"
}
check_bad_public_symbols mpeg2 $builddir/../libmpeg2/.libs/libmpeg2.so
check_bad_public_symbols mpeg2convert $builddir/../libmpeg2/convert/.libs/libmpeg2convert.so
exit $error
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