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An all-in-one installer for Clojure on Windows. Includes syntax highlighting and the REPL, plus enhanced editing with Slime and all of Emacs.
Emacs Lisp Other
Branch: master

Clojure Box

An all-in-one Clojure environment built on Emacs and Slime


All you need is Java 1.5 or later. If Clojure Box can find java.exe on your system (usually it's in C:\Windows\system32), it provides the rest.


Clojure Box consists of these components:

Paredit is included for your convenience, but you'll have to activate it in ~/.emacs.

(require 'paredit)
(add-hook 'slime-repl-mode-hook (lambda () (paredit-mode +1)))

Thanks to all the developers of these excellent packages!


Clojure Box's startup is controlled by default.el in the emacs\site-lisp directory under the installation. You can put your own customizations in your .emacs file (these customizations will not be overwritten by future Clojure Box or Emacs installations). Type C-x C-f and enter ~/.emacs. Edit the file and save it with C-x C-s. ~ is the same as your HOME environment variable, or the application data directory under your user profile if you have no HOME.

To make your own code available to Clojure's import function, the easiest way is to put your source files under src and jars under lib in your project directory. Then run M-x swank-clojure-project and tell the prompt your directory.

Another way is to add jars or source directories to the classpath in your .emacs. To make C:/dev/project/src/a.clj and everything in C:/dev/my-lib.jar available, put this:

(setq swank-clojure-classpath
  (list "C:/dev/project/src" "C:/dev/my-lib.jar"))

To add more, put them in the same list as above or add to that list:

(add-to-list 'swank-clojure-classpath "C:/dev/my-lib-c/src")

You'll have to restart the REPL to make new jars available.

Emacs may not respect custom JAVA_HOME settings on Windows Vista 64-bit. If you're having trouble running the right Java, try specifying an absolute java.exe in ~/.emacs:

(setq swank-clojure-java-path
  "\"C:/Program Files/Java/XXXXX/java.exe\"")

Inno Setup Source

The installer is built with Inno Setup. The installer source file is included with Clojure Box.

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