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Rails - problems installing a package with json

I am running OS X Mavericks, with Rails 3.2.12. When I try to make the rails of a new project, it gets stuck when installing the package.

Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

/usr/local/rvm/rubies/ruby-1.9.3-p392/bin/ruby extconf.rb 
creating Makefile

make
compiling generator.c
make: gcc-4.2: No such file or directory
make: *** [generator.o] Error 1


Gem files will remain installed in /usr/local/rvm/gems/ruby-1.9.3-p392/gems/json-1.8.1 for inspection.
Results logged to /usr/local/rvm/gems/ruby-1.9.3-p392/gems/json-1.8.1/ext/json/ext/generator/gem_make.out
An error occurred while installing json (1.8.1), and Bundler cannot continue.
Make sure that `gem install json -v '1.8.1'` succeeds before bundling.

I get the same error when I do "gem install json ...." as it suggests. I installed the latest version of Xcode with command line tools. When I do this:

which gcc

I get:

/usr/bin/gcc

I'm new to all of this, so please try to make things simple.

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1 answer

So, before Xcode 5, there was the gcc-4.2 binary, which was removed during the upgrade process.

gcc-4.2 ruby. , homebrew Mac.

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