michael@0: #!/bin/sh
michael@0: 
michael@0: LC_ALL=C
michael@0: export LC_ALL
michael@0: 
michael@0: test -z "$srcdir" && srcdir=.
michael@0: stat=0
michael@0: 
michael@0: 
michael@0: if which nm 2>/dev/null >/dev/null; then
michael@0: 	:
michael@0: else
michael@0: 	echo "check-symbols.sh: 'nm' not found; skipping test"
michael@0: 	exit 77
michael@0: fi
michael@0: 
michael@0: echo "Checking that we are not exposing internal symbols"
michael@0: tested=false
michael@0: for so in `ls .libs/lib*.so .libs/lib*.dylib 2>/dev/null` ; do
michael@0: 	
michael@0: 	EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] ' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>' | cut -d' ' -f3`"
michael@0: 	prefix=`basename "$so" | sed 's/libharfbuzz/hb/; s/-/_/g; s/[.].*//'`
michael@0: 
michael@0: 	echo "Processing $so"
michael@0: 	if echo "$EXPORTED_SYMBOLS" | grep -v "^${prefix}_"; then
michael@0: 		echo "Ouch, internal symbols exposed"
michael@0: 		stat=1
michael@0: 	fi
michael@0: 
michael@0: 	tested=true
michael@0: done
michael@0: if ! $tested; then
michael@0: 	echo "check-symbols.sh: no shared library found; skipping test"
michael@0: 	exit 77
michael@0: fi
michael@0: 
michael@0: exit $stat