The ebuild doesn\'t work for me anymore, complains about a wrong automake version:
[code:1]
This Makefile is only for the CVS repository
This will be deleted before making the distribution

*** YOU\'RE USING automake (GNU automake) 1.4-p6.
*** KDE requires automake 1.6.1 or newer
make[1]: *** [cvs] Fehler 1
make: *** [all] Fehler 2
>>> Source unpacked.
This Makefile is only for the CVS repository
This will be deleted before making the distribution

*** YOU\'RE USING automake (GNU automake) 1.4-p6.
*** KDE requires automake 1.6.1 or newer
make[1]: *** [cvs] Fehler 1
make: *** [all] Fehler 2

!!! ERROR: media-sound/amarok-1.3 failed.
!!! Function kde_src_compile, Line 127, Exitcode 1
!!! no configure script found, generation unsuccessful
!!! If you need support, post the topmost build error, NOT this status message.
[/code:1]
But this one is installed:
[code:1]
# emerge automake -pv

These are the packages that I would merge, in order:

Calculating dependencies ...done!
[ebuild R ] sys-devel/automake-1.9.6 747 kB
[/code:1]