The Tor Browser / file revision

 #!/bin/sh

 LC_ALL=C

 export LC_ALL

 test -z "$srcdir" && srcdir=.

 stat=0

 if which nm 2>/dev/null >/dev/null; then

 	:

 else

 	echo "check-internal-symbols.sh: 'nm' not found; skipping test"

 	exit 77

 fi

 tested=false

 for suffix in .so; do

 	so=`echo .libs/libharfbuzz$suffix`

 	if test -f "$so"; then

 		echo "Checking that we are not exposing internal symbols"

 		if nm "$so" | grep ' [BCDGINRSTVW] ' | grep -v ' T _fini\>\| T _init\>\| T hb_\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>'; then

 			echo "Ouch, internal symbols exposed"

 			stat=1

 		fi

 		tested=true

 	fi

 done

 if ! $tested; then

 	echo "check-internal-symbols.sh: libharfbuzz shared library not found; skipping test"

 	exit 77

 fi

 exit $stat