Prerequisites:

You'll need to have these libraries (with equivalent devel versions) to build Wesnoth: 

 libsdl1.2
 libsdl-image1.2
 libsdl-mixer1.2 (with Vorbis support)
 libsdl-ttf2.0
 libsdl-net

These libraries can be found at http://www.libsdl.org


Sourcecode:

You can get it here:

 http://www.wesnoth.org/downloads
 http://www.ventu.info/wesnoth/?WesnothCVS


Compiling:

First untar the package:
  	
 $ tar xfzv wesnoth-0.x.tar.gz 

then
  	
 $ cd wesnoth-0.x

followed by
  	
 $ ./configure

compile with

 $ make
	  

Installing:
  	
 $ make install
	  

Updating:

 When updating wesnoth (e.g. redoing "configure" with new switches, or updating from CVS) clean the tree first with:

 $ make clean