Configurando MRI 1.9.3 no OSX Lion
Primeiro desinstale o Xcode: $ sudo /Developer/Library/uninstall-devtools –mode=all Baixe as ferramentas de linha de comando oficiais da Apple: https://daw.apple.com/cgi-bin/WebObjects/DSAuthWeb.woa/wa/login?appIdKey=d4f7d769c2abecc664d0dadfed6a67f943442b5e9c87524d4587a95773750cea%5Fownload2Fownload2Fownload $ brew update$ brew install autoconf automake$ brew install https://raw.github.com/Homebrew/homebrew-dupes/master/apple-gcc42.rb$ rvm …
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