Myslim, ze asi moznost cislo 1... i kdyz nevim, co presne myslis tim preplacany... jestli pocet USE flagu.

ppulpan@ntb-ppulpan ~ $ eselect profile show
Current /etc/portage/make.profile symlink:
  default/linux/amd64/13.0/no-multilib

ppulpan@ntb-ppulpan ~ $ cat /etc/portage/make.conf                                                                                                                                                                                                    
# These settings were set by the catalyst build script that automatically                                                                                                                                                                             
# built this stage.                                                                                                                                                                                                                                   
# Please consult /usr/share/portage/config/make.conf.example for a more                                                                                                                                                                               
# detailed example.                                                                                                                                                                                                                                   
CFLAGS="-march=native -O2 -pipe -fomit-frame-pointer"                                                                                                                                                                                                 
CXXFLAGS="${CFLAGS}"                                                                                                                                                                                                                                  
MAKEOPTS="-j3"                                                                                                                                                                                                                                        
                                                                                                                                                                                                                                                      
# 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"                                                                                                                                                                                                                           
                                                                                                                                                                                                                                                      
# These are the USE flags that were used in addition to what is provided by the
# profile used for building.
USE="X a52 aac acl acpi alsa apng avahi avx avx2 bash-completion bluetooth
     branding bzip2 cairo cdda cddb cdparanoia cdr consolekit crypt cscope css
     cups dbus declarative dri dts dv dvd dvdr encode exif fam ffmpeg flac fontconfig
     foomaticdb ftp geoip gif gnutls gphoto2 icu idn ipv6 jabber
     jingle jpeg kde kipi kolab kontact lcms ldap libnotify lm_sensors lzma lzo mad
     matroska mng modules mozilla mp3 mp4 mpeg mtp musicbrainz mysql ncurses
     networkmanager nls nptl nsplugin ogg opengl pdf phonon plasma png policykit
     posix postscript ppds qml qt5 rdesktop readline rss samba scanner
     sdl semantic-desktop smp sound spell sqlite ssl startup-notification
     subversion svg symlink syslog sysvipc taglib theora tidy tiff truetype
     udev unicode usb vcd vaapi vim-syntax vnc vorbis webkit widgets wmf x264 xcb
     xcomposite xinerama xml xmpp xpm xscreensaver xv xvid zeroconf zlib
     -bindist -doc -gnome -gstreamer -gtk -libedit -systemd"

# CPU flags
CPU_FLAGS_X86="aes avx avx2 fma3 mmx mmxext popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3"

# Portage settings
PORTAGE_NICENESS="19"

# Portage directories
PORTDIR="/usr/portage"
DISTDIR="${PORTDIR}/distfiles"
PKGDIR="${PORTDIR}/packages"

# Portage mirrors
GENTOO_MIRRORS="http://gentoo.supp.name/
                http://ftp.fi.muni.cz/pub/linux/gentoo/
                http://gentoo.mirror.dkm.cz/pub/gentoo/
                http://gentoo.mirror.web4u.cz/"

# Hardware specification
INPUT_DEVICES="evdev synaptics"
VIDEO_CARDS="intel i965"

# Locales
LINGUAS="en"

# Licences
ACCEPT_LICENSE="*"

PS: Per-ebuild konfiugrace USE flagu posilat nemusim, vid, abych se nejak zaskatlukoval.

A jestli nejsou profily v Gentoo odjakziva, tak nekdy pred 8 lety, kdy jsem s nim zacinal uz tam byly... takze neumim posoudit.