Bash script to build Ruby from source, extracted from build instructions in the repo

build-u-a-ruby.sh

#!/usr/bin/env bash

set -e

./configure --with-opt-dir=$(brew --prefix gmp):$(brew --prefix jemalloc)

export CONFIGURE_ARGS=""
for ext in openssl readline libyaml zlib; do
  CONFIGURE_ARGS="${CONFIGURE_ARGS} --with-$ext-dir=$(brew --prefix $ext)"
done

./autogen.sh

mkdir -p build && cd build
mkdir -p ~/.rubies/master

../configure --config-cache --prefix="${HOME}/.rubies/ruby-master"
make && make install