I have seen other people with the same issue of installing RMagick on Mountain Lion However none of the suggested solutions have allowed me to successfully install rmagick. Here is the error message I am getting: Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. checking for Ruby version >= 1.8.5... yes checking for /usr/local/bin/gcc-4.2... yes checking for Magick-