media-gfx/f-spot-0.1.4 compiles and works fine on amd64. from the description: "Personal photo management application for the gnome desktop" we can add ~amd64 to the keywords Portage 2.0.53 (default-linux/amd64/2005.1, gcc-3.4.4, glibc-2.3.6-r0, 2.6.14-gentoo-r4 x86_64) ================================================================= System uname: 2.6.14-gentoo-r4 x86_64 AMD Athlon(tm) 64 Processor 3400+ Gentoo Base System version 1.12.0_pre11 dev-lang/python: 2.4.2 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-r1 sys-devel/binutils: 2.16.1-r1 sys-devel/libtool: 1.5.20-r1 virtual/os-headers: 2.6.11-r3 ACCEPT_KEYWORDS="amd64 ~amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=athlon64 -O3 -fomit-frame-pointer -ffast-math -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3/share/config /usr/lib64/mozilla/defaults/pref /usr/share/X11/xkb /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/texmf/web2c /etc/env.d" CXXFLAGS="-march=athlon64 -O3 -fomit-frame-pointer -ffast-math -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks multilib-strict sandbox sfperms strict" GENTOO_MIRRORS="ftp://cs.ubishops.ca/pub/gentoo ftp://gentoo.risq.qc.ca http://gentoo.oregonstate.edu http://distfiles.gentoo.org" LDFLAGS="-Wl,-O1" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="amd64 X a52 aac aalib alsa audiofile avi bash-completion berkdb bitmap-fonts bmp bzip2 c++ cairo caps cdparanoia cdr crypt cscope css cups curl dbus doc dri dts dv dvd dvdr dvdread dvi edl eds emboss encode esd ethereal evo exif expat fam fat ffmpeg fftw flac foomaticdb fortran gb gcj gdbm gif gimp gimpprint glitz glut gmail gmp gnome gnutls gphoto2 gpm gstreamer gtk gtk2 gzip hal hfs howl idea idn ieee1394 imagemagick imap imlib imlib2 jabber java jfs jpeg junit lcms libcaca libgda libwww linuxkeys live lzo lzw lzw-tiff mad matroska mikmod mmap mng mod mono mozdevelop mozilla mozsvg mp3 mpeg mplayer msn mythtv native nautilus ncurses network nfs nls no-old-linux no_wxgtk1 noantlr nob nobcel nobeanutils nobsh nocommonslogging nocommonsnet nojsch nolog4j nomotif noplugin norhino noxalan noxerces nptl nptlonly offensive ogg oggvorbis openal opengl pam pcre pda pdflib perl plugin png python quicktime radeon readline real reiserfs rtc ruby samba sdl slang sndfile speex spell sqlite ssl stream subversion svg tcltk tcpd tetex tga theora tiff transcode truetype truetype-fonts type1-fonts udev unicode usb userlocales v4l v4l2 vcd vorbis wmf wxwindows xanim xine xml2 xpm xprint xscreensaver xv xvid xvmc zlib userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, LANG, LC_ALL, LINGUAS
f-spot depends on dbus with the mono use flag. The mono use flag is masked on amd64 until we have a stable version of mono. Please re-open then.
Oops, sorry I forgot that I had -mono in my use.mask.