#!/bin/sh

LC_ALL=C
export LC_ALL

test -z "$srcdir" && srcdir=.
test -z "$MAKE" && MAKE=make
stat=0

if which nm 2>/dev/null >/dev/null; then
	:
else
	echo "check-exported-symbols.sh: 'nm' not found; skipping test"
	exit 77
fi

defs="harfbuzz.def"
$MAKE $defs > /dev/null
tested=false
for def in $defs; do
	lib=`echo "$def" | sed 's/[.]def$//;s@.*/@@'`
	so=.libs/lib${lib}.so
	if test -f "$so"; then
		echo "Checking that $so has the same symbol list as $def"
		{
			echo EXPORTS
			nm "$so" | grep ' [BCDGINRSTVW] ' | grep -v ' T _fini\>\| T _init\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>' | cut -d' ' -f3
			stat=1
			# cheat: copy the last line from the def file!
			tail -n1 "$def"
		} | diff "$def" - >&2 || stat=1
		tested=true
	fi
done
if ! $tested; then
	echo "check-exported-symbols.sh: libharfbuzz shared library not found; skipping test"
	exit 77
fi

exit $stat