CUSTOM_PROFILE="yes" CFLAGS="-O2 -pipe -march=native" CXXFLAGS="${CFLAGS}" LDFLAGS="-Wl,-O1 -Wl,--as-needed" CHOST="x86_64-pc-linux-gnu" CBUILD="x86_64-pc-linux-gnu" MAKEOPTS="-j2" EMERGE_DEFAULT_OPTS="-j2" ACCEPT_KEYWORDS="amd64" ACCEPT_LICENSE="*" VIDEO_CARDS="" INPUT_DEVICES="" FEATURES="ccache parallel-fetch collision-protect sandbox candy metadata-transfer preserve-libs" CCACHE_SIZE="6G" CCACHE_DIR="/var/tmp/ccache" PORTAGE_NICENESS="19" PORTAGE_IONICE_COMMAND="ionice -c 3 -p \${PID}" PORTAGE_ELOG_CLASSES="warn error log" PORTAGE_ELOG_SYSTEM="save" RUBY_TARGETS="-*" # cpu USE="${USE} mpi smp" # develop USE="${USE} -debug vim-syntax" # daemons USE="${USE} daemon" # other USE="${USE} threads"