diff --git a/make.conf.backbone b/make.conf.backbone
new file mode 100644
index 0000000..3cf5adb
--- /dev/null
+++ b/make.conf.backbone
@@ -0,0 +1,50 @@
+CFLAGS="-O2 -march=athlon64-sse3 -mtune=athlon64-sse3 -msse3 -mfpmath=sse -pipe"
+CXXFLAGS="${CFLAGS}"
+LDFLAGS="-Wl,-O1 -Wl,--as-needed"
+
+CHOST="x86_64-pc-linux-gnu"
+CBUILD="x86_64-pc-linux-gnu"
+MAKEOPTS="-j2"
+
+LINGUAS="ru"
+LANGUAGE="ru"
+
+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"
+
+FETCHCOMMAND="/usr/local/sbin/gentoo-fetchcommand.sh \"\${URI}\" -O \"\${DISTDIR}/\${FILE}\""
+
+source /var/lib/layman/make.conf
+PORTDIR_OVERLAY="/usr/local/portage $PORTDIR_OVERLAY"
+
+GENTOO_MIRRORS="http://mirror.yandex.ru/gentoo-distfiles/ \
+ftp://mirror.yandex.ru/gentoo-distfiles/ \
+ftp://xeon.gentoo.ru/mirrors/gentoo/distfiles/"
+
+SYNC="rsync://rsync.gentoo.org/gentoo-portage"
+#PORTAGE_RSYNC_EXTRA_OPTS="--exclude-from=/etc/portage/rsync.excludes"
+#SYNC="git://github.com/funtoo/portage.git"
+SYNC="git://git.calculate.ru/calculate/portage.git"
+
+#PORT_LOGDIR=/var/log/portage
+#PORTAGE_ELOG_CLASSES="warn error info log qa" 
+PORTAGE_ELOG_CLASSES="warn error log"
+PORTAGE_ELOG_SYSTEM="save"
+
+NGINX_MODULES_HTTP="passenger proxy rewrite gzip"
+
+RUBY_TARGETS="ruby18"
+
+USE="mmx mmxext 3dnow sse sse2 custom-cflags fftw alsa unicode bash-completion threads vaapi daemon xattr \
+     -X -qt4 -gtk -kde -gnome
+     -cups -debug -python -perl -oss -static-libs"