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Important notes

Project Status. We are now actively working on Olena 2.x only. Older versions are not maintained anymore.

Licence. Olena is Free Software released under the GNU General Public License (GPL) version 2.

Latest release

The latest version is Olena 2.1. It is available since July 8, 2014. You will find more details on the dedicated Olena 2.1 release page.

All platforms (sources)

Version	Release date	Source code links		Release notes
Olena 2.1	July 8, 2014	olena-2.1.tar.gz	olena-2.1.tar.bz2	README-2.1	NEWS-2.1

Build requirements

Building Olena for sources requires the following tools:

• A Bourne shell (/bin/sh)
• GNU Make (other versions of Make might work but have not been tested)
• A C++ 2003 compiler such as GCC version 4.2 or higher; or Clang version 3.0 or higher (other compilers might work but have not been tested)

Installing from sources

Once you have downloaded the Olena sources, extract, configure and compile the project using the following commands:

tar xjf olena-2.1.tar.bz2
cd olena-2.1
./configure
make

You can pass extra options to configure to enable optional modules of the platform, choose a different installation path (default is /usr/local) or change the compilation flags; use ./configure --help to get more details about these features.

Finally, install Olena using:

make install

The defaut installation path (/usr/local) usually requires root permissions, so you'll probably want to run it through sudo (provided you have the permission to do so):

sudo make install

Alternatively, you can choose to install Olena in a location of your own, like a subdirectory of your home directory, such as $HOME/local, by following this recipe instead (note the addition of the --prefix option passed to configure):

tar xjf olena-2.1.tar.bz2
cd olena-2.1
./configure --prefix=$HOME/local
make
make install

GNU/Linux packages

	Olena is currently being integrated into Debian. However .deb files are already available : olena-bin.deb (for Debian testing wheezy, AMD64 only) olena-dev.deb (any Debian version) sudo dpkg -i olena-bin_2.0-1_amd64.deb olena-dev_2.0-1_all.deb
	Add Olena's repository and install the package: sudo add-apt-repository ppa:olena/ppa sudo apt-get update sudo apt-get install olena
	Olena is available in Mandriva Cooker mainstream: urpmi olena-devel olena-tools olena-doc Packages are also available here: olena-tools olena-doc olena-doc

Mac OS X packages

Install Milena and the Scribo module: sudo port install olena Or install Milena sources only : sudo port install olena -scribo

Once Olena is installed, development headers are available in /usr/include/mln and /usr/include/scribo.
Two program tools are also available : scribo-cli and scribo-viewer.

Past releases

Version	Release date	Source code links		Release notes
Olena 2.0	September 16, 2011	olena-2.0.tar.gz	olena-2.0.tar.bz2	README-2.0	NEWS-2.0
Olena 1.0	July 14, 2009	olena-1.0.tar.gz	olena-1.0.tar.bz2	README-1.0	NEWS-1.0
Olena 0.11	February 21, 2007	olena-0.11.tar.gz	olena-0.11.tar.bz2	README-0.11	NEWS-0.11
Olena 0.10	April 15, 2004	olena-0.10.tar.gz	olena-0.10.tar.bz2	README-0.10	NEWS-0.10
Olena 0.9	August 8, 2003	olena-0.9.tar.gz	olena-0.9.tar.bz2	README-0.9	NEWS-0.9
Olena 0.8	April 10, 2003	olena-0.8.tar.gz	olena-0.8.tar.bz2	README-0.8	NEWS-0.8
Olena 0.6	January 15, 2003	olena-0.6.tar.gz		README-0.6	NEWS-0.6
Olena 0.5	July 25, 2002	olena-0.5.tar.gz	olena-0.5.tar.bz2	README-0.5	NEWS-0.5
Olena 0.4.1	April 25, 2002	olena-0.4.1.tar.gz		README-0.4.1	NEWS-0.4.1
Olena 0.4	April 24, 2002	olena-0.4.tar.gz		README-0.4	NEWS-0.4
Olena 0.3	January 14, 2002	olena-0.3.tar.gz		README-0.3	NEWS-0.3
Olena 0.2	November 28, 2001	olena-0.2.tar.gz		README-0.2	NEWS-0.2
Olena 0.1	November 1, 2001	olena-0.1.tar.gz		README-0.1

Olena 1.0 is also available in Mandriva Linux 2010.0 as RPM packages.

Some extra information about past versions of Olena can be found on the past releases page.

Getting the source from the development repository

You may check out the current version of Olena 2.0's sources from LRDE's Git repository. You will need the following additional tools:

• Git 1.5 or higher
• Autoconf 2.61 or higher
• Automake 1.10 or higher
• Libtool 1.5.22 or higher
• Doxygen 1.5.6 or higher
• ImageMagick 6.3.7 or higher
• HeVeA 1.10
• LaTeX2HTML (or at minimum, its html.sty style file)
• bibtex2html 1.95 or higher (at least the bibtex2html and bib2bib tools)
• Tesseract (2.0x, 3.01 or higher. Needed by the Scribo module only)

The Git repository is located at git://git.lrde.epita.fr/olena. You can browse it online via GitWeb.

For those who are not used to Git, here are the required commands to get and build a fresh source tree:

git clone git://git.lrde.epita.fr/olena
cd olena
./bootstrap
mkdir _build
cd _build
../configure --enable-verbose
make

The last command may take some time.

To install Olena, type thereafter (as root):

make install

Known issues

Compilation issues may be encountered with g++ 4.6.0 and 4.6.1 (especially on Ubuntu 11.10) with Olena 2.0.

Here is an example of the possible error :

../../../../olena/milena/mln/canvas/browsing/snake_generic.hh:90:29: error: uninitialized const mln::canvas::browsing::snake_generic [-fpermissive]
../../../../olena/milena/mln/canvas/browsing/snake_generic.hh:76:14: note: const struct mln::canvas::browsing::snake_generic_t has no user-provided default constructor

Many non-relevant warnings may also arise.

A simple solution is to add CXXFLAGS to configure script with the following argument :

../configure CXXFLAGS="-fpermissive -Wunused-but-set-variable"

or pass these flags to any build task using Milena headers, e.g. when using Make :

make CXXFLAGS="-fpermissive -Wunused-but-set-variable"

Otherwise, using a different version of g++ would also fix this issue without specifying anything to configure.