Overlay/profiles/default/linux/amd64/13.0/backbone/desktop/make.defaults

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CFLAGS="-O2 -pipe -march=native"
CXXFLAGS="${CFLAGS}"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
#### LTO/Graphite/OpenMP ####
TMP_GRAPHITE="-floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block"
TMP_COMMON_CLDFLAGS="-flto=4 ${TMP_GRAPHITE} -ftree-vectorize -fopenmp -floop-parallelize-all"
CFLAGS="${CFLAGS} ${TMP_COMMON_CLDFLAGS}"
CXXFLAGS="${CFLAGS}"
LDFLAGS="${LDFLAGS} ${TMP_COMMON_CLDFLAGS}"
USE="${USE} graphite"
#############################
CHOST="x86_64-pc-linux-gnu"
CBUILD="x86_64-pc-linux-gnu"
MAKEOPTS="-j2"
EMERGE_DEFAULT_OPTS="-j2"
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="*"
VIDEO_CARDS=""
INPUT_DEVICES="evdev"
FEATURES="ccache parallel-fetch collision-protect sandbox candy metadata-transfer preserve-libs"
CCACHE_SIZE="8G"
CCACHE_DIR="/var/tmp/ccache"
PORTAGE_NICENESS="19"
PORTAGE_IONICE_COMMAND="ionice -c 3 -p \${PID}"
PORTAGE_ELOG_CLASSES="warn error log"
PORTAGE_ELOG_SYSTEM="save"
# cpu
USE="${USE} custom-cflags"
# gpu
USE="${USE} directfb dri dri2 fbcon fbcondecor fbosd opengl opencl vaapi"
# fonts
USE="${USE} cairo cleartype -lcdfilter truetype unicode"
# audio
USE="${USE} aac alsa amr audio dts -esd faac gsm jack -jingle mad mikmod -nas \
ogg -osc -oss -pulseaudio speex vorbis"
# multimedia (video+audio)
USE="${USE} dirac -dvb -dvdr encode fftw -ipod -quicktime schroedinger v4l v4l2 video vpx x264 xvid xvmc"
# graphics
USE="${USE} -aalib -gphoto2 imagemagick jpg jpeg png sdl X"
# arc
USE="${USE} bzip2 gzip"
# toolkits
USE="${USE} -aqua -gtk2 -gtkhtml ncurses -neXt -qt -qt3 qt3support -qt-static"
# desktop
USE="${USE} -gnome -gnome2 -gnome-keyring -kde -nautilus -semantic-desktop xscreensaver"
# input
USE="${USE} tslib"
# security
USE="${USE} -kerberos -pam"
# power
USE="${USE} acpi"
# develop
USE="${USE} bash-completion cscope -debug -fortran \
-lua -mono pch \
-tcl -tidy -tk -tokenizer \
vim-syntax"
# daemons
USE="${USE} consolekit daemon dbus -hal logrotate samba syslog"
# web
USE="${USE} cgi xmlrpc"
# networking
USE="${USE} -bluetooth -imap -lirc -networkmanager -nis"
# db
USE="${USE} -freetds -mssql -sybase-ct"
# other
USE="${USE} -bindist -freetds inotify -ipod -multilib -old-linux nptl \
-smartcard threads xattr"