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+.. -*- rst -*-
+.. -*-  coding: utf-8 -*-
+
+============================
+A local repository for ocaml
+============================
+
+:date: 2013-05-23
+:tags: ocaml
+:summary: |summary|
+:logo: /images/ocaml/camel.jpg
+:slug: un-depot-local-pour-ocaml
+:lang: en
+
+.. figure:: {filename}/images/ocaml/camel_medium.jpg
+    :figwidth: 150
+    :figclass: floatleft
+    :alt: Pavement
+
+    Image : `@Doug88888`_ (creativecommons_)
+
+.. _@Doug88888: http://www.flickr.com/photos/doug88888/3458057235/
+.. _creativecommons: http://creativecommons.org/licenses/by-nc-sa/2.0/deed.fr
+
+|summary|
+    
+
+.. |summary| replace::
+    Today, ocaml is obsolete in the debian packages : the most of the
+    librairies are still linked with Ocaml3 althought Ocaml4 is out since
+    almost a year. When we need to develop with Ocaml4, we have to recompile
+    all the dependencies, but this implies to install them for the whole
+    system. But we can use a local repository with some findlib configuration.
+
+Findlib is now a required tool for an Ocaml project compilation. Each
+application uses now findlib for searching the dependencies, and the linking
+phase.
+
+We first need to create a local configuration in wich we write where to find
+the packages :
+
+
+.. code-block:: bash
+
+    destdir="/home/chimrod/ocaml/packages/"
+    path="/home/chimrod/ocaml/packages/:/usr/local/lib/ocaml/4.00.1:/usr/lib/ocaml:/usr/lib/ocaml/METAS"
+
+:destdir:   is the path where we want to install the newly compiled packages.
+:path:      is the path list where to find the packages.
+            
+Of course, you need to replace `/home/chimrod/` by your own installation path.
+It must be an absolute path.
+
+The path to this file can be saved with the shell environnement ; we just need
+to reference it in the `.bashrc` file :
+
+.. code-block:: bash
+
+    export OCAMLFIND_CONF=/home/chimrod/ocaml/ocamlfind.conf
+
+That's now : each new package will now be installed in your packages directory,
+and the compilation will also look for this path for the required 
+dependencies : you do not have to install the packages as root anymore.