net-misc/knock-0.5 is in portage since 03 Oct 2005 and I don't have any problems with it on my amd64 box. emerge --info: Portage 2.1-r2 (default-linux/amd64/2006.0, gcc-3.4.6, glibc-2.3.6-r4, 2.6.17-gentoo-r4 x86_64) ================================================================= System uname: 2.6.17-gentoo-r4 x86_64 AMD Athlon(tm) 64 Processor 3000+ Gentoo Base System version 1.12.4 ccache version 2.3 [enabled] app-admin/eselect-compiler: [Not Present] dev-lang/python: 2.4.3-r1 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: 2.3 dev-util/confcache: [Not Present] sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2 sys-devel/binutils: 2.16.1-r3 sys-devel/gcc-config: 1.3.13-r3 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=athlon64 -O2 -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/X11/xkb /usr/share/config" CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf /etc/revdep-rebuild /etc/splash /etc/terminfo" CXXFLAGS="-march=athlon64 -O2 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig ccache collision-protect distlocks fixpackages metadata-transfer parallel-fetch sandbox sfperms strict userfetch userpriv usersandbox" GENTOO_MIRRORS="http://gentoo.prz.rzeszow.pl http://gentoo.po.opole.pl http://src.gentoo.pl http://ftp.belnet.be/mirror/rsync.gentoo.org/gentoo/" LANG="en_US.utf8" LC_ALL="en_US.utf8" LINGUAS="en pl" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude='/distfiles' --exclude='/local' --exclude='/packages'" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="amd64 X acl acpi alsa apache2 arts audiofile avi berkdb bitmap-fonts browserplugin bzip2 cdparanoia cdr cli cracklib crypt cups curl dbus dlloader dri dvd dvdr emboss encode exif expat ffmpeg firefox foomaticdb force-cgi-redirect fortran ftp gdbm gif gimp gimpprint glut gmp gstreamer gtk gtk2 hal imlib ipv6 isdnlog java javascript jpeg kde lzw lzw-tiff mad mng mono mozilla mp3 mpeg ncurses nls nptl nsplugin nvidia ogg oggvorbis opengl pam pcre pdf pdflib perl php png pppd python qt3 qt4 quicktime readline reflection samba scanner sdl session soap spell spl ssl tcpd tiff truetype truetype-fonts type1-fonts unicode usb utf8 vorbis xcomposite xml xorg xpm xv zip zlib elibc_glibc input_devices_evdev input_devices_keyboard input_devices_mouse kernel_linux linguas_en linguas_pl userland_GNU video_cards_nvidia video_cards_nv" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LDFLAGS, PORTAGE_RSYNC_EXTRA_OPTS
stable on amd64. Thanks
