CFLAGS, оптимизация

[ebuild   R    ] sys-devel/binutils-2.22-r1  USE="nls zlib -multislot -multitarget -static-libs -test -vanilla" 0 kB
[ebuild   R    ] sys-libs/glibc-2.14.1-r2  USE="gd (multilib) -debug -glibc-omitfp (-hardened) -profile (-selinux) -vanilla" 0 kB
[ebuild   R   #] sys-devel/gcc-4.6.2  USE="cxx gtk mudflap (multilib) nls nptl openmp (-altivec) -bootstrap -build -doc (-fixed-point) -fortran -gcj -go -graphite (-hardened) (-libssp) -multislot -nocxx -nopie -nossp -objc -objc++ -objc-gc -test -vanilla" 0 kB

CFLAGS="-march=native -O2 -pipe -g0 -Wno-all -ftree-vectorize -march=generic"
CHOST="x86_64-pc-linux-gnu"
CXXFLAGS="${CFLAGS}"
LDFLAGS="${LDFLAGS} -Wl,-O1 -Wl,--sort-common -Wl,--as-needed"
MAKEOPTS="-j5 -l5 -s"
ACCEPT_KEYWORDS="~amd64"
CC=gcc
CXX=g++
AUTOCLEAN="yes"
PORTAGE_ELOG_CLASSES="warn error log qa"
PORTAGE_ELOG_SYSTEM="save"
LINGUAS="ru ru_RU en en_US"
VIDEO_CARDS="nvidia"
INPUT_DEVICES="evdev"
ACCEPT_LICENSE="*"
PORTAGE_NICENESS="19"
FEATURES="parallel-fetch protect-owned splitdebug"
EMERGE_DEFAULT_OPTS="--verbose --keep-going --jobs=1 --quiet-build=n"
LINGUAS="ru ru_RU en en_US"
ENB="3dnow a52 aac aalib acl acpi alsa ao apm atm audiofile bash-completion bcmath \
   bzip2 cairo cdda cddb cdparanoia cdr cgi clamav cracklib crypt cscope css ctype \
   curl curlwrappers cxx dbus dga djvu dri dts dv dvd dvdr encode         \
   enscript exif fam fastcgi fbcon ffmpeg firefox flac fontconfig ftp gd gdbm      \
   geoip gif gimp gnuplot gnutls gphoto2 gpm gstreamer gtk gtkhtml gzip iconv icq  \
   icu idn ieee1394 imagemagick imap imlib inifile jbig jpeg \
   jpeg2k lame lcms libnotify lm_sensors lua lzma lzo mad matroska memlimit   \
   mhash mikmod mime minimal mmap mms mmx mng modules motif mozilla mp3 mp4 mpeg   \
   mpi mplayer mtp multilib musepack mysql mysqli nas ncurses netboot nls nntp     \
   nptl nsplugin ogg openal openexr opengl openmp oscar pam pch pcre pdf perl php  \
   png policykit posix qt4 quicktime raw readline rss sdl session shorten          \
   simplexml sndfile snmp soap sockets socks5 sound speex spell sqlite sqlite3     \
   startup-notification svg symlink syslog szip taglib tcl tcpd theora threads     \
   tiff truetype udev unicode usb v4l vhosts vim-syntax vnc vorbis wavpack         \
   win32codecs wmf wxwidgets X x264 xcb xcomposite xine xinerama xml xmlrpc xmp    \
   xscreensaver xulrunner xv xvid zlib zsh-completion"
BAD="-3dfx -accessibility -adns -afs -aim -altivec -apache2 -aqua -avahi -ayatana  \
   -berkdb -bidi -blas -bluetooth -cjk -coreaudio -cups -cdinstall -debug          \
   -dedicated -doc -dvb -eds -emacs -emboss -evo -examples -foomaticdb -freetds    \
   -freewnn -frontbase -gps -gsm -handbook -hardened -hddtemp -ios -ipod -ipv6     \
   -iwmmxt -jabber -jack -jingle -joystick -kde -kdeprefix -kerberos -kolab        \
   -kontact -ldap -libcaca -matrox -migemo -modplug -mono -msn -msql -mssql -mule  \
   -musicbrainz -neon -networkmanager -oci8 -oci8-instant-client -old-linux -oss   \
   -pcmcia -pda -plasma -ppds -postgres -pulseaudio -samba -scanner -seamonkey     \
   -selinux -semantic-desktop -svga -sybase -sybase-ct -sysvipc -test -tidy        \
   -timidity -vanilla -vcd -videos -wifi -xemacs -xmpp -yahoo -introspection       \
   -static-libs -static -fortran -lirc"
USE="${ENB} ${BAD}"
XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip  \
                fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac \
                ipp2p delude chaos account checksum dnetmap echo gradm"
NGINX_MODULES_HTTP="access auth_basic autoindex browser charset empty_gif fastcgi geo
                    gzip limit_req limit_zone map memcached proxy referer rewrite scgi
                    split_clients ssi upstream_ip_hash userid uwsgi addition cache_purge
                    dav degradation flv geoip gzip_static headers_more image_filter
                    perl push random_index realip secure_link slowfs_cache
                    stub_status sub upload upload_progress xslt mp4"
NGINX_MODULES_MAIL="imap pop3 smtp"
PATCH_OVERLAY=/etc/portage/autopatch
GENTOO_MIRRORS="http://mirror2.corbina.ru/gentoo-distfiles/
                http://mirror.yandex.ru/gentoo-distfiles/
                http://gentoo.bloodhost.ru/"
QEMU_SOFTMMU_TARGETS="x86_64 i386"
QEMU_USER_TARGETS="i386 x86_64"
USE_PYTHON="2.7"
PHP_TARGETS="php5-3"
RUBY_TARGETS="ruby18"

CFLAGS="-march=native -O2 -pipe -g0 -Wno-all"
CHOST="x86_64-pc-linux-gnu"
CXXFLAGS="${CFLAGS}"
LDFLAGS="-Wl,-O1 -Wl,--sort-common -Wl,--as-needed"
MAKEOPTS="-j5 -l5 -s"

www-client/firefox alsa dbus ipc libnotify minimal startup-notification webm custom-cflags custom-optimization -bindist -crashreporter -debug -pgo -selinux -system-sqlite -wifi