OS X

Homebrew

Remove all packages

• brew remove --force $(brew list) --ignore-dependencies
• brew cleanup

Useful packages

• brew install rbenv git git-lfs gradle node gmp yarn hub
  • gmp is required for Ruby

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Install the latest 1.9.3 patch release.

CC=/usr/bin/gcc-4.2 rvm install 1.9.3 --without-tcl --without-tk

Use.

rvm use --default 1.9.3

--

$ gcc --version

Use i686-apple-darwin11-gcc-4.2.1 not i686-apple-darwin11-llvm-gcc-4.2

$ CC=/usr/local/bin/gcc-4.2 rvm install ruby-1.9.3-p392

Ruby 2.0p0 currently has problems.

Mark library as not hidden.

chflags nohidden ~/Library

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Show . folders.

defaults write com.apple.Finder AppleShowAllFiles YES

Hold alt, mouse down on Finder, then click Relaunch

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Fix utf support in pry

brew install readline
export ARCHFLAGS="-arch x86_64"
rvm install 1.9.3 -C --with-readline-dir=/usr/local/Cellar/readline/6.2.4/