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 #!/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-symbols.sh: 'nm' not found; skipping test"

 	exit 77

 fi

 echo "Checking that we are not exposing internal symbols"

 tested=false

 for so in `ls .libs/lib*.so .libs/lib*.dylib 2>/dev/null` ; do

 	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`"

 	prefix=`basename "$so" | sed 's/libharfbuzz/hb/; s/-/_/g; s/[.].*//'`

 	echo "Processing $so"

 	if echo "$EXPORTED_SYMBOLS" | grep -v "^${prefix}_"; then

 		echo "Ouch, internal symbols exposed"

 		stat=1

 	fi

 	tested=true

 done

 if ! $tested; then

 	echo "check-symbols.sh: no shared library found; skipping test"

 	exit 77

 fi

 exit $stat