Bugzilla Bug 133268

I added the ~amg64 to the most recent ebuilds of these three packages, and
things compile and work fine.

emerge --info:
Portage 2.1_rc1 (default-linux/amd64/2006.0/no-multilib, gcc-3.4.6,
glibc-2.4-r3, 2.6.16-gentoo-r7 x86_64)
=================================================================
System uname: 2.6.16-gentoo-r7 x86_64 AMD Athlon(tm) 64 Processor 3000+
Gentoo Base System version 1.12.0_pre19
distcc 2.18.3 x86_64-pc-linux-gnu (protocols 1 and 2) (default port 3632)
[disabled]
dev-lang/python:     2.3.5, 2.4.3-r1
dev-python/pycrypto: 2.0.1-r5
dev-util/ccache:     [Not Present]
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-r2
sys-devel/libtool:   1.5.22
virtual/os-headers:  2.6.11-r3
ACCEPT_KEYWORDS="amd64 ~amd64"
AUTOCLEAN="yes"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=athlon64 -g -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3/share/config
/usr/share/X11/xkb /usr/share/config /var/qmail/control"
CONFIG_PROTECT_MASK="/etc/eselect/compiler /etc/gconf /etc/revdep-rebuild
/etc/terminfo /etc/texmf/web2c /etc/env.d"
CXXFLAGS="-march=athlon64 -g -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig distlocks metadata-transfer sandbox sfperms strict"
GENTOO_MIRRORS="ftp://ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/
http://gentoo.oregonstate.edu/
http://www.ibiblio.org/pub/Linux/distributions/gentoo/"
LANG="fr_FR.UTF-8"
LC_ALL="fr_FR.UTF-8"
LINGUAS="de es fr it pl ru zh_CN"
MAKEOPTS=""
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"
SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"
USE="amd64 X alsa avi berkdb bitmap-fonts blas bonobo bzip2 bzlib cdr clamav
cli crypt cups dba debug dri dvd dvdr eds emboss encode esd evolution fam
firefox foomaticdb fortran ftp gd gdbm gif gimp gnome gpm gstreamer gtk gtk2
guile hal hdf5 imap imlib ipv6 isdnlog javascript jpeg lzw lzw-tiff mopac7 mp3
mpeg mpqc ncurses nls nptl nptlonly openbabel opengl pam pcre pdf pdflib perl
png pop postgres pppd print python quicktime readline reflection samba sdl
session spell spl ssl tcpd tetex threads tiff toolbar truetype truetype-fonts
type1-fonts usb userlocales xine xml2 xorg xpm xv zlib elibc_glibc kernel_linux
linguas_de linguas_es linguas_fr linguas_it linguas_pl linguas_ru linguas_zh_CN
userland_GNU"
Unset:  ASFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LDFLAGS,
PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY

There's already Bug 133244 for libghemical and ghemical.

Oops I just search for mopac7 :-(

fixed