extensively tested on a stable system with with several databases. no trouble found and no outstanding bugs open. good for amd64. tesla ~ # emerge --info Portage 2.0.54 (default-linux/amd64/2005.1, gcc-3.4.4, glibc-2.3.5-r2, 2.6.15-gentoo-r1 x86_64) ================================================================= System uname: 2.6.15-gentoo-r1 x86_64 AMD Turion(tm) 64 Mobile Technology ML-32 Gentoo Base System version 1.6.14 dev-lang/python: 2.3.5-r2, 2.4.2 sys-apps/sandbox: 1.2.12 sys-devel/autoconf: 2.13, 2.59-r6 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 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/2/share/config /usr/kde/3.4/env /usr/kde/3.4/share/config /usr/kde/3.4/shutdown /usr/kde/3/share/config /usr/lib/X11/xkb /usr/lib64/mozilla/defaults/pref /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-march=athlon64 -O2 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks multilib-strict sandbox sfperms strict" GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.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.gentoo.org/gentoo-portage" USE="amd64 X acpi alsa audiofile avi berkdb bitmap-fonts browserplugin bzip2 cdr crypt cups dbus divx4linux dvd dvdr dvdread eds emboss encode esd exif expat fam firefox foomaticdb fortran gd gif glut gnome gpm gstreamer gtk gtk2 gtkhtml hal icq idn imap imlib ipv6 jabber java jpeg lcms live lzw lzw-tiff mad mjpeg mng mozilla mp3 mpeg msn native ncurses network nls no-old-linux nptl nptlonly nsplugin offensive ogg oggvorbis opengl pam pcre pdflib perl png postgres python quicktime radeon read readline rtc sdk sdl spell sqlite ssl svg tcpd theora tiff transcode truetype truetype-fonts type1-fonts udev usb userlocales v4l v4l2 visualization vorbis wmf xine xml2 xpm xv xvid xvmc yahoo zlib userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, LANG, LC_ALL, LDFLAGS, LINGUAS
Done, thanks for testing.