Installing X11

Apple’s X11 for Mac OS X is available as an optional installation bundled with Mac OS X. To install it when you first install (or upgrade an existing installation of) Mac OS X Panther, you must customize the installation (in the Selection Type phase) and select the X11 checkbox. If you don’t install X11 during the Mac OS X installation, you can install it later by inserting the Install Mac OS X Disc 3 CD, then finding and double-clicking the X11User.pkg package in the Packages folder.

The installation places the double-clickable X11 application in the /Applications/Utilities folder. If you want to build X11-based applications, you need to install the X11SDK, which is located as an optional package on the Xcode Tools CD (/Developer Tools/Packages/X11SDK.pkg).

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