Gentoo /etc/make.conf

etcmake.conf

# These settings were set by the catalyst build script that automatically
# built this stage.
FEATURES="ccache"
# Please consult /usr/share/portage/config/make.conf.example for a more
# detailed example.
#CFLAGS="-O2 -pipe"

CFLAGS="-march=core2 -mtune=generic -O2 -pipe"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j5"
# 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.
XUSE="truetype X new-login xorg xscreensaver xv xcomposite xinerama opengl aiglx"
IMAGEUSE="jpeg gif tiff png svg pdf"
MEDIAUSE="alsa mad vidix asf win32codecs dvd cdr dvdr mp4 aac x264 xvid nsplugin mp3 real"
GENERAL="samba java bzip2 symlink sqlite spell xml"
SYSTEM="hal fam dbus aoss threads udev argument upower extras"
NET_SEC="ssl ipv6 md5"
NOTUSE="-gtk -gnome -arts"
KDEUSE="kde kdeenablefinal qt3 qt4 rdesktop"

USE="${NOTUSE} ${SYSTEM} ${GENERAL} ${IMAGEUSE} ${XUSE} ${KDEUSE} ${MEDIAUSE} ${NET_SEC}"
EMERGE_DEFAULT_OPTS="--autounmask-write=y --keep-going=y --with-bdeps=y"
ACCEPT_KEYWORDS="~amd64"

GENTOO_MIRRORS="http://mirrors.163.com/gentoo/ ftp://mirrors.sohu.com/gentoo/ http://mirrors.sohu.com/gentoo/ ftp://mirrors.stuhome.net/gentoo/ rsync://mirrors.stuhome.net/gentoo/ http://mirrors.stuhome.net/gentoo/ rsync://mirrors.xmu.edu.cn/gentoo/ http://mirrors.xmu.edu.cn/gentoo ftp://mirrors.xmu.edu.cn/gentoo"
INPUT_DEVICES="keyboard mouse evdev synaptics"
VIDEO_CARDS="radeon"

SYNC="rsync://rsync.cn.gentoo.org/gentoo-portage"
LINGUAS="zh_CN zh_TW en_US"
LANG="en_US.UTF-8"
LC_COLLATE="C"

CCACHE_SIZE="2G"
CCACHE_DIR="/var/tmp/ccache"