![]() If you don't, install Homebrew: curl -o /tmp/install_homebrew.rb If you've already got a package manager (Homebrew, MacPorts, or Fink), use that. For different versions, or if you want to install them without Xcode, the Homebrew page (see below) explains how to get them, or you can look around Apple's developer site. If you're using 4.3.x, after installing Xcode from the App Store, launch it, go to Preferences, Downloads, Components, and click the Install button next to "Command Line Tools". (Apple frequently changes the name of this package-it may be "Unix Development Tools", or "CLI Development Toolchain", etc., depending on your Xcode version.) It also looks like you have to have the Fortran compiler in place before installing numpy, or scipy can't be installed later.įirst, you need the Xcode Command Line Tools. ![]() ![]() However, scipy requires a Fortran compiler, and Lion doesn't come with one of those. Lion comes with an easy_install for each of its Python implementations: /usr/bin/easy_install-2.7 for /usr/bin/python2.7, and likewise for 2.6 and 2.5.
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