install_firebase_scrypt_macos.sh

#!/bin/bash
#
# Install Google's modified scrypt package for Firebase auth on macOS.
# https://github.com/firebase/scrypt
# 
# Last tested on macOS Big Sur 11.3.1 (20E241)
#

brew install autoconf automake libtool

curl -sL https://github.com/firebase/scrypt/archive/master.tar.gz | tar xz
cd scrypt-master
autoreconf -i

if hash brew 2>/dev/null; then
    opensslPath=$(brew --prefix openssl)
    export CFLAGS="$CFLAGS -I$opensslPath/include"
    export LDFLAGS="$LDFLAGS -L$opensslPath/lib"
fi

./configure
make
sudo cp ./scrypt /usr/local/bin