run_test.rb

#!/usr/bin/env ruby

if __FILE__ == $PROGRAM_NAME
  require 'fileutils'
  FileUtils.mkdir_p 'tmp'
  unless File.exists?('tmp/mruby')
    system 'git clone https://github.com/mruby/mruby.git tmp/mruby'
  end
  exit system(%Q[cd tmp/mruby; MRUBY_CONFIG=#{File.expand_path __FILE__} rake #{ARGV.join(' ')}])
end

MRuby::Build.new do |conf|
  toolchain :gcc
  conf.cc.defines << %w(MRB_INT64)
  conf.gem :github => 'mobiruby/mruby-cfunc' do |g|
    # g.use_pkg_config
    g.download_libffi
  end
  conf.gem File.expand_path(File.dirname(__FILE__))
end