sawfish compile

bash-2.05b$ sudo emerge x11-wm/sawfish
Calculating dependencies ...done!
>>> emerge (1 of 2) x11-libs/rep-gtk-0.18-r1 to /
>>> md5 files ;-) rep-gtk-0.18.ebuild
>>> md5 files ;-) rep-gtk-0.15-r3.ebuild
>>> md5 files ;-) rep-gtk-0.18-r1.ebuild
>>> md5 files ;-) rep-gtk-0.17-r1.ebuild
>>> md5 files ;-) ChangeLog
>>> md5 files ;-) metadata.xml
>>> md5 files ;-) files/rep-gtk-0.18-gtk26.patch
>>> md5 files ;-) files/digest-rep-gtk-0.15-r3
>>> md5 files ;-) files/digest-rep-gtk-0.17-r1
>>> md5 files ;-) files/digest-rep-gtk-0.18-r1
>>> md5 files ;-) files/rep-gtk-0.18-gtk24.patch
>>> md5 files ;-) files/digest-rep-gtk-0.18
>>> md5 files ;-) files/rep-gtk-0.17-64bit.patch
>>> md5 src_uri ;-) rep-gtk-0.18.tar.gz
>>> Unpacking source...

...

libtool: compile: unable to infer tagged configuration
libtool: compile: specify a tag with `--tag'
make: *** [rep-types.lo] Ошибка 1
make: *** Ожидание завершения заданий...
libtool: compile: unable to infer tagged configuration
libtool: compile: specify a tag with `--tag'
make: *** [rep-gtk.lo] Ошибка 1

!!! ERROR: x11-libs/rep-gtk-0.18-r1 failed.
!!! Function src_compile, Line 48, Exitcode 2
!!! (no error message)
!!! If you need support, post the topmost build error, NOT this status message.

Что-то я не въеду, чего ему надо?