1#!/bin/sh
2
3LC_ALL=C
4export LC_ALL
5
6test -z "$srcdir" && srcdir=.
7stat=0
8
9
10if which nm 2>/dev/null >/dev/null; then
11	:
12else
13	echo "check-symbols.sh: 'nm' not found; skipping test"
14	exit 77
15fi
16
17echo "Checking that we are not exposing internal symbols"
18tested=false
19for so in `ls .libs/lib*.so .libs/lib*.dylib 2>/dev/null` ; do
20	
21	EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] ' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>' | cut -d' ' -f3`"
22	prefix=`basename "$so" | sed 's/libharfbuzz/hb/; s/-/_/g; s/[.].*//'`
23
24	echo "Processing $so"
25	if echo "$EXPORTED_SYMBOLS" | grep -v "^${prefix}_"; then
26		echo "Ouch, internal symbols exposed"
27		stat=1
28	fi
29
30	tested=true
31done
32if ! $tested; then
33	echo "check-symbols.sh: no shared library found; skipping test"
34	exit 77
35fi
36
37exit $stat
38