# Get Mountain Lion and Homebrew to Be Happy ### 1) Install XCode 4.4 into /Applications Get it from . You will not be able to submit apps to any stores using this XCode version, so turn away if that is something you might want to do. ### 2) Install Command Line Tools In XCode's Preferences > Downloads you can install command line tools. [insert screenshot] ### 3) Let Everyone Know Where XCode Is sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer ### 4) Install X11 Visit and download and install 2.7.2+. You will need to fix the symlink it makes: ln -s /opt/X11 /usr/X11 ### 5) Reinstall your brews brew list Will tell you what you need to check. Try out everything one by one and when one doesn't work `brew remove it` and then reinstall it. If the install doesn't work, try `brew install it --use-gcc` to prevent llvm from getting in the way. Things that gave me issues that I had to remove and install: * macvim * imagemagick * ghostscript You might need to install libxml2 and link it manually to make sure you don't get the wrong xml2-config if your path: $ brew install libxml2 $ brew link libxml2