还有时间摆地摊？你不加班吗？

gem "therubyracer" 执行 bundle install 时，也会出现同样的错误

Using jquery-rails (3.0.4) Installing libv8 (3.11.8.17) Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension .

D:/Ruby193/bin/ruby.exe extconf.rb creating Makefile 系统找不到指定的路径。 系统找不到指定的路径。 系统找不到指定的路径。 D:/Ruby193/lib/ruby/gems/1.9.1/gems/libv8-3.11.8.17/ext/libv8/builder.rb:49:in setup_python!': libv8 requires python 2 to be installed in order to build, but i t is currently not available (RuntimeError) from D:/Ruby193/lib/ruby/gems/1.9.1/gems/libv8-3.11.8.17/ext/libv8/build er.rb:35:inblock in build_libv8!' from D:/Ruby193/lib/ruby/gems/1.9.1/gems/libv8-3.11.8.17/ext/libv8/build er.rb:34:in chdir' from D:/Ruby193/lib/ruby/gems/1.9.1/gems/libv8-3.11.8.17/ext/libv8/build er.rb:34:inbuild_libv8!' from D:/Ruby193/lib/ruby/gems/1.9.1/gems/libv8-3.11.8.17/ext/libv8/locat ion.rb:24:in `install!'

跟 DevKit 有关吗，还是需要安装别的东西才行呀，新手求救