From 397bd61324798d04e7e8a7fecdfa9dbf885926bd Mon Sep 17 00:00:00 2001
From: Tom Willemse
Date: Sun, 20 Apr 2014 12:55:28 +0200
Subject: Move load-path init to init.org

---
 .emacs.d/init.org | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

(limited to '.emacs.d/init.org')

diff --git a/.emacs.d/init.org b/.emacs.d/init.org
index c980f38..8460d7a 100644
--- a/.emacs.d/init.org
+++ b/.emacs.d/init.org
@@ -381,6 +381,47 @@
     (defalias 'dabbrev-expand 'hippie-expand)
   #+END_SRC
 
+* Setting up =load-path=
+
+  First, to help, I create a function that takes a path, adds it to
+  =load-path= and then checks to see if there is a file named
+  ~loaddefs.el~ in the given path. If there is, it loads it. This
+  ~loaddefs.el~ file is something that is created from autoload cookies
+  in the files in some of these paths.
+
+  Since the =load-path= is also important during byte-compilation, this
+  function should be defined both at run-time and compile-time.
+
+  #+BEGIN_SRC emacs-lisp
+    (eval-and-compile
+      (defun oni:loadpath-add-and-autoload (path)
+        "Add PATH to `load-path' and load a `loaddefs.el' if it exists."
+        (add-to-list 'load-path path)
+        (let ((loaddefs (concat path "/loaddefs.el")))
+          (when (file-exists-p loaddefs)
+            (load loaddefs)))))
+  #+END_SRC
+
+  After that I add some directories to my =load-path= so I can use these
+  libraries when wanted. One of these is the ~site-lisp~ directory in my
+  ~.emacs.d~ directory, which is where I keep most of my personal
+  non-ELPA modules (like module-specific initialization files). There
+  are also some directories I include in ~vendor-lisp~, which is where I
+  keep modules that I didn't write myself and, for some reason, can't
+  or don't want to use ELPA for. Again it is important to realize that
+  this information is relevant both at run-time and compile-time, so
+  we wrap it with an =eval-and-compile=.
+
+  #+BEGIN_SRC emacs-lisp
+    (eval-and-compile
+      (mapc #'oni:loadpath-add-and-autoload
+            '("~/.emacs.d/site-lisp" "~/.emacs.d/vendor-lisp/org/lisp"
+              "~/.emacs.d/vendor-lisp/org/contrib/lisp"
+              "~/.emacs.d/vendor-lisp/mozrepl"
+              "~/.emacs.d/vendor-lisp/eap" "/usr/share/emacs/site-lisp"
+              "/usr/lib/node_modules/tern/emacs/")))
+  #+END_SRC
+
 * Notes
 
   Here are some random or somewhat general notes about things you may
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