Gentoo make.conf for x86_64 virtualized server

CFLAGS="-O2 -march=native -pipe"
CXXFLAGS=""

# WARNING: Changing your CHOST is not something that should be done lightly.
# Please consult http://www.gentoo.org/doc/en/change-chost.xml before changing.
CHOST="x86_64-pc-linux-gnu"

USE="mmx sse sse2 -3dfx 3dnow -X -Xaw3d -a52 -aac -aalib -accessibility \
     -adabas -adns -afs -aim -alsa -ao -apache2 -aqua -atm -audiofile \
     -bidi -birdstep -bluetooth -bsf -cairo -calendar -canna -cdb -cdda -cddb \
     -cdinstall -cdparanoia -cdr -cgi -chasen -cjk -clamav -coreaudio -css \
     -cups -curl -curlwrappers -db2 -dbase -dbi -dbm -dbmaker -dbx -dedicated \
     -dga -djvu -dri -dts -dv -dvb -dvd -dvdr -eds -emacs -emboss -empress \
     -empress-bcs -encode -enscript -esd -esoob -evo -exif -expat -fastcgi \
     -fbcon -ffmpeg -fftw -firebird -firefox -flac -flatfile -fltk \
     -fontconfig -foomaticdb -fortran -freetds -freewnn -frontbase -gcj -gd \
     -gd-external -gdbm -ggi -gif -gimp -ginac -glut -gnome -gnome-keyring \
     -gnuplot -gphoto2 -gpm -gps -graphviz -gsm -gstreamer -gtk -gtkhtml \
     -guile -handbook -hddtemp -hdf5 -ibm -icq -ieee1394 -imagemagick -imap \
     -imlib -inifile -innodb -interbase -iodbc -ipod -jabber -jack -java \
     -java6 -javascript -jbig -jingle -joystick -jpeg -jpeg2k -kde -kerberos \
     -kolab -kontack -ladspa -lame -lapack -lash -latex -lcms -libgda \
     -libnotify -libsamplerate -libwww -lirc -lm_sensors -lua -m17n-lib -mad \
     -matroska -matrox -mcve -migemo -mikmod -milter -mime -mng -modplug \
     -mono -motif -mozilla -mp3 -mp4 -mpeg -mplayer -msn -msql -mssql -mtp \
     -mule -musepack -musicbrainz -mysql -mysqli -nas -neXt -netboot -netcdf \
     -nntp -nsplugin -ocaml -ocamlopt -oci8 -oci8-instant-client -odbc \
     offensive -ofx -ogg -openal -openexr -opengl -oracle -osc -oscar -oss \
     -pcmcia -pda -pdf perl -php -plasma -plotutils -png -portaudio -postgres \
     -ppds -pulseaudio python -qdbm -qt4 -quicktime -raw -rdesktop -rss -ruby \
     -samba -sapdb -scanner -sdl -seamonkey -semantic-desktop -sharedext \
     -shorten -slp -smartcard -sndfile -soap -solid -sox -speex -spell \
     -sqlite -sqlite3 -svg -svga -sybase -sybase-ct -tcl -theora -tidy -tiff \
     -timidity -tk -tokenizer -truetype -usb -v4l -v4l2 -vcd -vhosts -videos \
     -vnc -voodoo3 -vorbis -wavpack -wddx -wifi -win32codecs -wmf -wxwidgets \
     -x264 -xcomposite -xemacs -xface -xft -xine -xinerama -xinetd xml \
     -xmlrpc -xmp -xosd -xpm -xscreensaver -xulrunner -xv -xvid -yahoo -yaz"

# Notes:
#   +xml = required by Python 2.7 = required by emerge --update --newuse --deep portage

# Recommended to be <num_of_cores>+1
# Source: http://www.gentoo.org/doc/en/handbook/handbook-amd64.xml?part=1&chap=5
MAKEOPTS="-j3"

# GENTOO_MIRRORS="rsync://ftp.jaist.ac.jp/pub/Linux/Gentoo/ rsync://mirror.mcs.anl.gov/gentoo/"
# The following is according to "mirrorselect -D -s 4 -4 -F"
# "-F" leaves out rsync ones. But then again, the sites below provide *no* rsync facility
#GENTOO_MIRRORS="ftp://gentoo.cs.nctu.edu.tw/gentoo/ ftp://gg3.net/pub/linux/gentoo/ ftp://mirrors.sohu.com/gentoo/ ftp://ftp.twaren.net/Linux/Gentoo/"
GENTOO_MIRRORS="ftp://gg3.net/pub/linux/gentoo/ ftp://mirrors.sohu.com/gentoo/ ftp://ftp.twaren.net/Linux/Gentoo/"

# SYNC="rsync://rsync.au.gentoqo.org/gentoo-portage"
# Based on the above result, we believe the fastest SYNC server would be Taiwan-based ones
SYNC="rsync://rsync.tw.gentoo.org/gentoo-portage"