bundle install ができなくてはまったのでやった対策$ bundle install --path vendor/bundle Fetching gem metadata from https://rubygems.org/.......... Fetching gem metadata from https://rubygems.org/.. Resolving dependencies... Using Platform (0.4.0) Installing unf_ext (0.0.6) Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /**********/.rvm/rubies/ruby-2.0.0-p0/bin/ruby extconf.rb checking for main() in -lstdc++... y
