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POError installing libv8: ERROR: Failed to build gem native extension
 

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  1. POError installing libv8: ERROR: Failed to build gem native extension
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    <p>I made a rails project with,</p> <pre><code>rails new test_bootstrap. </code></pre> <p>succeeded.</p> <p>moved to the project dir and added the gems</p> <pre><code>gem "therubyracer" gem "less-rails" #Sprockets (what Rails 3.1 uses for its asset pipeline) supports LESS gem "twitter-bootstrap-rails" </code></pre> <p>and run </p> <pre><code>bundle install </code></pre> <p>after that, i have this error.</p> <pre><code>Installing libv8 (3.16.14.3) Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. c:/RailsInstaller/Ruby1.9.3/bin/ruby.exe extconf.rb creating Makefile 지정된 경로를 찾을 수 없습니다. 지정된 경로를 찾을 수 없습니다. 지정된 경로를 찾을 수 없습니다. c:/RailsInstaller/Ruby1.9.3/lib/ruby/ge ms/1.9.1/gems/libv8-3.16.14.3/ext/libv8/builder.rb:58:in `setup_python!': libv8 requires python 2 to be installed in order to build, but it is currently not available (RuntimeErr or) from c:/RailsInstaller/Ruby1.9. 3/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/ext/libv8/builder.rb:42:in `block in build_lib v8/builder.rb:42:in `block in build_libv8!' from c:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/ext/lib v8/builder.rb:40:in `chdir' from c:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/ext/lib v8/builder.rb:40:in `build_libv8!' from c:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/ext/lib v8/location.rb:24:in `install!' from extconf.rb:7:in `&lt;main&gt;' Gem files will remain installed in c:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/l ibv8-3.16.14.3 for inspection. Results logged to c:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/ex t/libv8/gem_make.out An error occurred while installing libv8 (3.16.14.3), and Bundler cannot continue. Make sure that `gem install libv8 -v '3.16.14.3'` succeeds before bundling. </code></pre> <p>sorry for some Koreans. It says, It can't find the chosen path or something like that.</p> <p>and i tried to run this command </p> <pre><code>gem install libv8 -v '3.16.14.3' </code></pre> <p>throwing the same error.</p>
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    1. COHave you installed `Devkit` https://github.com/oneclick/rubyinstaller/wiki/Development-Kit
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    2. COI found this, i have to install python and set the path. and now it works. hope people solve with this thread. http://stackoverflow.com/questions/10812696/problems-with-jslint-v8-ruby-gem-installation-on-windows7-64-bit/10924081#10924081
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