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= Installing !RefactorErl

== Dependencies of the latest release

The following list enumerates required software.

==== Base system
 
 * Erlang OTP 21 or higher ([http://www.erlang.org/doc/installation_guide/users_guide.html How to install Erlang])
   * Releases between 0.9.13.02  and 0.9.15.04 are only compatible with Erlang/OTP-R16A or higher versions!
   * If you are using the [wiki:Web2 web interface], please check yaws-specific version requirements.

 * G++ 4.3.6 or higher (for the graph based NIF back-end, for Kyoto Cabinet back-end, for dependency calculation and for duplicated code detection)
 * graphviz 2.0 or higher (for graph drawing and dependency visualization)


==== WebInterface

 * Server side: Yaws 1.89 or higher ([http://yaws.hyber.org/configuration.yaws How to install Yaws]) [[BR]]
 * We recommend to use Yaws 2.0.4 or higher versions.
 * Client side: Mozilla Firefox  / Google Chrome / Safari

==== EmacsInterface

 * Emacs 23.3 or higher - with [http://www.erlang.org/doc/apps/tools/erlang_mode_chapter.html erlang-mode] and widgets ([http://www.gnu.org/software/emacs/emacs-faq.html#Installing-Emacs How to install Emacs])

{{{#!comment
==== EclipseInterface

 * Eclipse (TODO)
}}}

==== VimInterface

 * Vim 7.2 or higher

== Installing the tool itself

You can download the latest release from the [http://plc.inf.elte.hu/erlang/refactorerl-releases.html RefactorErl download page] in zipped or gzipped tar format. Please note version-specific dependencies and release-specific announcements.

After unpacking the downloaded archive, the tool should be compiled. To compile the tool, run {{{bin/referl -build tool}}} command in the top level directory of the unpacked tool (or you can use standard make to compile all the application components); after compilation the tool is ready to use. [[BR]]
For a step-by-step installation tutorial please see LocalInstallLinux. 

See StartUp for help on the first steps with the tool.