/etc/portage/make.conf

make.conf-original

  GNU nano 2.9.2                /etc/portage/make.conf                Modified  
#antiga
#CFLAGS="-march=bdver3 -O2 -pipe"
#CXXFLAGS="${CFLAGS}"
#CHOST="x86_64-pc-linux-gnu"
#CPU_FLAGS="aes avx fma3 fma4 mmx mmxext popcnt sse sse2 sse3 sse4_1 sse4_2 sse4$
#ACCEPT_KEYWORDS="amd64"
#MAKEOPTS="-j5"
#ACCEPT_LICENSE="*"
#AUTOCLEAN="yes"
#VIDEO_CARDS="amdgpu radeonsi"
#LINGUAS="pt_BR.UTF-8 pt_BR.ISO8859-1 pt_BRiso8859-1 pt_BR pt-BR"
#LANGUAGE="${LINGUAS}"

#Nova a partir de 30/12/2018

CFLAGS="-march=bdver3 -fomit-frame-pointer -O2 -pipe"
CXXFLAGS="${CFLAGS}"
CHOST="x86_64-pc-linux-gnu"
FEATURES="parallel-fetch parallel-install sandbox "
ACCEPT_KEYWORDS="amd64"
MAKEOPTS="-s -j5" #número de nucleos +1, se tem quatro núcleos vira 5
ACCEPT_LICENSE="*" #aceitar automaticamente as licenças
AUTOCLEAN="yes" #limpar automaticamente

GENTOO_MIRRORS="http://gentoo.c3sl.ufpr.br/ http://gentoo.lcc.ufmg.br"

INPUT_DEVICES="evdev keyboard synaptics mouse"
VIDEO_CARDS="amdgpu radeonsi" #se usa intel, troque por intel, ou nvidia etc
AUDIO_CARDS="intel" #troque pela sua placa de áudio

USE="xft -gpm savedconfig -doc alsa -browser-integration -consolekit -display-manager -grub -gtk networkmanager -plymouth pulseaudio -sddm -wallpapers"
#flags  para o kde plasma 5
#PLASMA="-browser-integration -consolekit -display-manager -grub -gtk networkmanager -plymouth pulseaudio -sddm -wallpapers"

EMERGE_DEFAULT_OPTS="--ask --jobs=5 --load-average=5 --autounmask-write=y --with-bdeps=y --quiet-build=y --keep-going=y" #instruções extras para compilação
FEATURES="ccache parallel-fetch parallel-install sandbox"
CCACHE_DIR="/var/tmp/ccache"
CCACHE_SIZE="2G"
#PYTHON_SINGLE_TARGET="python3_6" PYTHON_TARGETS="python2_7 python3_6"

LINGUAS="pt_BR" #pacotes compilados para o português Brasil
L10N="pt-BR" #libreoffice