libsodium.so.18.2.0

prepare-sodium.sh

#!/bin/sh

set -e
cd `dirname $0`/../

if [ -e /usr/lib/libsodium.so ]; then
	echo "Using system libsodium in /usr/lib"
	exit
fi

if [ -e /usr/local/lib/libsodium.so ]; then
	echo "Using system libsodium in /usr/local/lib"
	exit
fi

if [ -f gs/libsodium.so.18.2.0 ]; then
	HASH=293e483b43002d58db56f9db9419a31db621cb4541c83b64202190e0c8b23191
	ACTUAL=`sha256sum gs/libsodium.so.18.2.0|cut -f1 -d " "`

	if [ "$ACTUAL" != "$HASH" ]; then
		echo "libsodium hash does not match"
		echo "expected $HASH actual $ACTUAL"
		exit 2
	fi

	mv gs/libsodium.so.18.2.0 /usr/local/lib/
	ln -s /usr/local/lib/libsodium.so.18.2.0 /usr/local/lib/libsodium.so.18
	ln -s /usr/local/lib/libsodium.so.18.2.0 /usr/local/lib/libsodium.so

	echo "Using custom libsodium with hash $ACTUAL"
else
	echo libsodium not found
	exit 1
fi