Download beta 5 now.

If you prefere to get the most updated revision from svn repository then, to make the initial checkout :

svn co http://lemonpos.svn.sourceforge.net/svnroot/lemonpos/trunk

To update your copy with the svn repository run the next command inside your root lemon directory ( some_dir_/trunk/ )

svn update

These are generic compile and install instructions.

cd trunk/
mkdir build
cd build/
cmake -DCMAKE_INSTALL_PREFIX=/path/to/your/kde4 ..
make
su
make install

To create database, run script included inside trunk/database_resource/

cat lemon_mysql.sql | mysql -u root -p