Minimal installation from SVN

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This guide shows you how to download, configure, compile and install core apertium packages and language data. It assumes you've already installed the prerequisites for your system – if you have not, see the system-specific guides under Installation.

Installing apertium and a language pair

For most language pairs, these are the packages you need:

  • lttoolbox
  • apertium
  • apertium-lex-tools
  • the language pair(s) your are interested in

Here are the commands if you would like the Esperanto-English pair: 

svn checkout https://svn.code.sf.net/p/apertium/svn/trunk/lttoolbox
svn checkout https://svn.code.sf.net/p/apertium/svn/trunk/apertium
svn checkout https://svn.code.sf.net/p/apertium/svn/trunk/apertium-lex-tools
svn checkout https://svn.code.sf.net/p/apertium/svn/trunk/apertium-eo-en

If you want another pair than eo-en, only the last line needs changing. To see the available 'released' language pairs, go to https://svn.code.sf.net/p/apertium/svn/trunk/ (pairs which are in development are in the incubator/nursery/staging subdirectories of https://svn.code.sf.net/p/apertium/svn/).


By default, Apertium is installed under the directory /usr/local, which requires root (sudo) access when installing. If that's fine with you, do: 

LD_LIBRARY_PATH=/usr/local/lib:${LD_LIBRARY_PATH}
export LD_LIBRARY_PATH
PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:${PKG_CONFIG_PATH}
export PKG_CONFIG_PATH

You should also put those lines in your ~/.bashrc so you don't have to paste them into every terminal you open.

However, if you want it installed somewhere else or don't want to install it as root, instead do: 

PREFIX=$HOME/local # or wherever you want apertium stuff installed
LD_LIBRARY_PATH=$PREFIX/lib:${LD_LIBRARY_PATH}
export LD_LIBRARY_PATH
PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig:${PKG_CONFIG_PATH}
export PKG_CONFIG_PATH

You should also put those lines in your ~/.bashrc so you don't have to paste them into every terminal you open.


Now you'll configure, build and install each of the modules you checked out, in this order:

  1. lttoolbox
  2. apertium
  3. apertium-lex-tools
  4. the language pair (e.g. apertium-eo-en)

cd to each of the directories before you run the the commands shown below.

If you specified a $PREFIX (e.g. to avoid installing as root), then do this in each directory: 

./autogen.sh --prefix=$PREFIX
make
make install
ldconfig

If you didn't specify $PREFIX or don't know what this means, then do this in each directory: 

./autogen.sh 
make
sudo make install
sudo ldconfig


(If you're on a Mac, you don't need to do ldconfig, don't worry that it fails.)

For language pairs that use CG (vislcg3 / cg-proc)

Many language pairs now use CG (e.g. Macedonian→English, Breton→French, Nynorsk-Bokmål, …). For these, you need vislcg3 beforehand. See Vislcg3#Installing_VISL_CG3 for installation (use ./cmake.sh -DCMAKE_INSTALL_PREFIX=<prefix> if you're installing to a prefix).

Note that you have to have ICU installed beforehand (available through most GNU/Linux package managers, in Arch Linux as icu, in Debian/Ubuntu as libicu-dev).

For language pairs that use HFST

Many language pairs now use HFST (e.g. the Turkic and Saami ones). For these, you need hfst and typically OpenFST and foma beforehand. Follow the installation guides first for Foma and OpenFST, then HFST.

See also

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