-> cvs -d:pserver:anonymous@www.rockbox.org:/cvsroot/rockbox login
-> cvs -d:pserver:anonymous@www.rockbox.org:/cvsroot/rockbox co rockbox-devel
-> cd rockbox-devel/ && mkdir build-dir && cd build-dir && ../tools/configure

Enter target platform:
 ==Archos==            ==iriver==             ==Apple iPod==   
  0) Player/Studio     10) H120/H140          20) Color/Photo  
  1) Recorder          11) H320/H340          21) Nano         
  2) FM Recorder       12) iHP-100/110/115    22) Video        
  3) Recorder v2       13) iFP-790            23) 3G           
  4) Ondio SP          14) H10 20Gb           24) 4G Grayscale 
  5) Ondio FM          15) H10 5/6Gb          25) Mini 1G      
                                              26) Mini 2G      

 ==iAudio==            ==Toshiba==            ==SanDisk==      
 30) X5/X5V/X5L        40) Gigabeat F         50) Sansa e200   

 ==Tatung==
 60) Elio TPJ-1022

-> 50

Build (N)ormal, (D)evel, (S)imulator, (B)ootloader, (M)anual, (V)oice? (N)

-> S

Build (S)DL version? (S)

-> S
-> make && make install && ./rockboxui --background