I stubbornly refuse to use ELPA. I keep my ~/.emacs and associated
libraries in Git[1][2] and don't like deviating from that with ELPA by
running the clojure code from an unversioned directory that isn't
automatically there when I set up my Emacs configuration from Git.
I couldn't find any documentation for setting up Emacs + Clojure +
Swank without ELPA. What follows are the steps I had to do to get my
setup working so that I can use both SBCL and Clojure with SLIME.
First checkout the needed clojure code into my ~/g/elisp library:
git submodule add git://github.com/technomancy/slime.git slime
git submodule add git://github.com/technomancy/clojure-mode.git clojure-mode
git submodule add git://github.com/jochu/swank-clojure.git swank-clojure
git submodule add git://github.com/richhickey/clojure.git clojure
git submodule add git://github.com/richhickey/clojure-contrib.git clojure
Build clojure:
cd clojure && ant
cd clojure-contrib && mvn package
Add this in my ~/.emacs to load the libraries:
(add-to-list 'load-path "~/g/elisp/clojure-mode")
(add-to-list 'load-path "~/g/elisp/swank-clojure")
(add-to-list 'load-path "~/g/elisp/slime")
(add-to-list 'load-path "~/g/elisp/slime/contrib")
Add autoloads + massive hack to get all of this to work:
(autoload 'clojure-mode "clojure-mode" nil t)
(autoload 'clojure-test-mode "clojure-test-mode" nil t)
(defvar package-activated-list nil "Hack: used in
`slime-changelog-date' but not defined anywhere")
(progn
(autoload 'swank-clojure-init "swank-clojure")
(autoload 'swank-clojure-slime-mode-hook "swank-clojure")
(autoload 'swank-clojure-cmd "swank-clojure")
(autoload 'swank-clojure-project "swank-clojure"))
(setq clojure-src-root (expand-file-name "~/g/elisp"))
;; Java starves programs by default
(setq swank-clojure-extra-vm-args (list "-Xmx1024m"))
This part is very suboptimal, it would be nice if swank-clojure had
better support for running out-of-Git so I wouldn't have to do
this. Maybe it does and I haven't found the relevant bits:
(defun clojure-slime-config (&optional src-root)
"Hacky copy of slime-clojure's `clojure-slime-config' to do what I want."
(if src-root (setq clojure-src-root src-root))
(add-to-list 'load-path (concat clojure-src-root "/slime"))
(add-to-list 'load-path (concat clojure-src-root "/slime/contrib"))
(add-to-list 'load-path (concat clojure-src-root "/swank-clojure"))
(require 'slime-autoloads)
(slime-setup '(slime-fancy))
(setq swank-clojure-classpath
(list
(concat clojure-src-root "/clojure/clojure.jar")
;; Hack: Expand the name of the .jar with some Emacs glob function
(concat clojure-src-root
"/clojure-contrib/target/clojure-contrib-1.2.0-SNAPSHOT.jar")
(concat clojure-src-root "/swank-clojure/src")
(concat clojure-src-root "/clojure/test/clojure/test_clojure")))
(eval-after-load 'slime
'(progn (require 'swank-clojure)
(setq slime-lisp-implementations
(cons `(clojure ,(swank-clojure-cmd) :init
swank-clojure-init)
(remove-if #'(lambda (x) (eq (car x) 'clojure))
slime-lisp-implementations))))))
;;; Setup clojure
(clojure-slime-config)
Finally set it up to play nice so that I can do M-x run-sbcl or M-x
run-clojure to run Common Lisp or Clojure:
;;
http://groups.google.com/group/clojure/browse_thread/thread/e70ac373b47d7088
(eval-after-load 'slime
'(progn
(add-to-list 'slime-lisp-implementations
'(sbcl ("/usr/bin/sbcl")))))
(defun pre-slime ()
"Stuff to do before SLIME runs"
(clojure-slime-config)
(slime-setup))
(defun run-clojure ()
"Starts clojure in Slime"
(interactive)
(pre-slime)
(slime 'clojure))
(defun run-sbcl ()
"Starts SBCL in Slime"
(interactive)
(pre-slime)
(slime 'sbcl))
Of course all of this was such a pain that I pretty much stopped there
and haven't actually /done/ anything with clojure aside from a Hello
World :)
1. http://github.com/avar/dotemacs
2. http://github.com/avar/elisp
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