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POHow do I install the libv8 ruby gem on a fresh Mountain Lion install?
 

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  1. POHow do I install the libv8 ruby gem on a fresh Mountain Lion install?
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    <p>I've been racking my head on this one. I've followed suggestions in several related posts but to no avail.</p> <p>I am starting from a fresh install of Mountain Lion, installed the Command Line Tools, and have Ruby 1.8.7 successfully installed based on a few other posts I've found for installing gcc-4.2 via Homebrew and adding a symlink to /usr/bin/gcc-4.2.</p> <p>Now, however, I'm unable to successfully install libv8. The error below is as far as I've gotten off of the existing suggestions. </p> <p>Any additional input?</p> <pre><code>Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /Users/Eric/.rbenv/versions/1.8.7-p352/bin/ruby extconf.rb creating Makefile Unable to find a compiler officially supported by v8. It is recommended to use GCC v4.4 or higher Traceback (most recent call last): File "build/gyp/gyp", line 18, in &lt;module&gt; sys.exit(gyp.main(sys.argv[1:])) File "build/gyp/pylib/gyp/__init__.py", line 480, in main generator.GenerateOutput(flat_list, targets, data, params) File "build/gyp/pylib/gyp/generator/make.py", line 2085, in GenerateOutput part_of_all=qualified_target in needed_targets) File "build/gyp/pylib/gyp/generator/make.py", line 756, in Write self.xcode_settings, self.Absolutify, self.Pchify)) File "build/gyp/pylib/gyp/generator/make.py", line 1132, in WriteSources cflags = self.xcode_settings.GetCflags(configname) File "build/gyp/pylib/gyp/xcode_emulation.py", line 258, in GetCflags sdk_root = self._SdkPath() File "build/gyp/pylib/gyp/xcode_emulation.py", line 247, in _SdkPath return os.path.join(self._GetSdkBaseDir(), '%s.sdk' % sdk_root) File "build/gyp/pylib/gyp/xcode_emulation.py", line 233, in _GetSdkBaseDir raise Exception('Error %d running xcode-select' % job.returncode) Exception: Error 2 running xcode-select make: *** [out/Makefile.x64] Error 1 Using compiler: g++ GYP_GENERATORS=make \ build/gyp/gyp --generator-output="out" build/all.gyp \ -Ibuild/standalone.gypi --depth=. \ -Dv8_target_arch=x64 \ -S.x64 -Dhost_arch=x64 xcode-select: Error: No Xcode is selected. Use xcode-select -switch &lt;path-to-xcode&gt;, or see the xcode-select manpage (man xcode-select) for further information. Gem files will remain installed in /Users/Eric/Development/par8o/vendor/bundle/ruby/1.8/gems/libv8-3.11.8.3 for inspection. Results logged to /Users/Eric/Development/par8o/vendor/bundle/ruby/1.8/gems/libv8-3.11.8.3/ext/libv8/gem_make.out An error occured while installing libv8 (3.11.8.3), and Bundler cannot continue. Make sure that `gem install libv8 -v '3.11.8.3'` succeeds before bundling. </code></pre>
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    1. COHave you installed xcode. If not try installing xcode
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      1. POHow do I install the libv8 ruby gem on a fresh Mountain Lion install?
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    2. COI have not and I'd rather avoid it if I can. Shouldn't the command line tools package cover this?
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    3. COMight be possible, not very sure
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