qt

Не хочет собираться, пишет:
emerge qt
zsh: correct 'qt' to '.qt' [nyae]? n
Calculating dependencies ...done!
>>> emerge (1 of 1) x11-libs/qt-3.3.4-r8 to /
>>> md5 files ;-) qt-3.3.4-r8.ebuild
>>> md5 files ;-) qt-3.3.5.ebuild
>>> md5 files ;-) qt-4.0.1.ebuild
>>> md5 files ;-) files/digest-qt-3.3.4-r8
>>> md5 files ;-) files/qt-3.3.4-gcc4.patch
>>> md5 files ;-) files/qt-3.3.4-macos.patch
>>> md5 files ;-) files/qt-3.3.5-uic-fix.patch
>>> md5 files ;-) files/qt4-nomkdir.patch
>>> md5 files ;-) files/0001-dnd_optimization.patch
>>> md5 files ;-) files/0002-dnd_active_window_fix.patch
>>> md5 files ;-) files/0037-dnd-timestamp-fix.patch
>>> md5 files ;-) files/0038-dragobject-dont-prefer-unknown.patch
>>> md5 files ;-) files/qt-3.3.4-0047-fix-kmenu-widget.diff
>>> md5 files ;-) files/qt-3.3.4-0051-qtoolbar_77047.patch
>>> md5 files ;-) files/qt-3.3.4-gcc4-volatile.patch
>>> md5 files ;-) files/qt-3.3.4-immodule-focus.patch
>>> md5 files ;-) files/qt-3.3.4-qclipboard-hack.patch
>>> md5 files ;-) files/digest-qt-4.0.1
>>> md5 files ;-) files/digest-qt-3.3.5
>>> md5 src_uri ;-) qt-x11-free-3.3.4.tar.bz2

!!! ERROR: x11-libs/qt-3.3.4-r8 failed.
!!! Function pkg_setup, Line 63, Exitcode 1
!!! Unknown compiler c++.
!!! If you need support, post the topmost build error, NOT this status message.
Дистрибутив gentoo 2005.0 amd64
Что может помочь?