x11-misc/kompose-0.4.2 works fine on my amd64 with kde-3.2.3. Portage 2.0.50-r11 (default-amd64-2004.2, gcc-3.3.4, glibc-2.3.4.20040619-r1, 2.6.8-gentoo-r4) ================================================================= System uname: 2.6.8-gentoo-r4 x86_64 12 Gentoo Base System version 1.4.16 Autoconf: sys-devel/autoconf-2.59-r4 Automake: sys-devel/automake-1.8.5-r1 ACCEPT_KEYWORDS="amd64" AUTOCLEAN="yes" CFLAGS="-O3 -pipe -fomit-frame-pointer" CHOST="x86_64-pc-linux-gnu" COMPILER="" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.2/share/config /usr/kde/3/share/config /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O3 -pipe -fomit-frame-pointer" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs buildpkg ccache sandbox strict userpriv" GENTOO_MIRRORS="http://ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/ http://gentoo.oregonstate.edu http://www.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="X alsa amd64 apm arts avi berkdb bitmap-fonts bootsplash crypt cups encode foomaticdb gdbm gif gpm gtk gtk2 imlib java jpeg kde libg++ libwww mikmod motif mpeg multilib ncurses nls nogcj oggvorbis opengl oss pam pdflib perl png python qt quicktime readline samba sdl slang ssl tcpd truetype xml2 xmms xprint xv zlib"
this is already ~amd64