젠투 emerge 관련 질문 드립니다.

!!! Unable to parse profile: '/etc/make.profile'
!!! ParseError: Profile contains unsupported EAPI '5': '/usr/portage/profiles/eapi-5-files/eapi'
!!! If you have just changed your profile configuration, you should revert
!!! back to the previous configuration. Due to your current profile being
!!! invalid, allowed actions are limited to --help, --info, --sync, and
!!! --version.

ISIGN_HA1 init.d # emerge --info
!!! Unable to parse profile: '/etc/make.profile'
!!! ParseError: Profile contains unsupported EAPI '5': '/usr/portage/profiles/eapi-5-files/eapi'
Portage 2.1.8.3 (hardened/linux/amd64, gcc-4.1.2, glibc-2.6.1-r0, 2.6.29.3 x86_64)
=================================================================
System uname: <a href="mailto:Linux-2.6.29.3-x86_64-Intel-R-_Xeon-R-_CPU_X3450_@_2.67GHz-with-gentoo-1.12.11.1" rel="nofollow">Linux-2.6.29.3-x86_64-Intel-R-_Xeon-R-_CPU_X3450_@_2.67GHz-with-gentoo-1.12.11.1</a>
Timestamp of tree: Sun, 31 Mar 2013 03:30:01 +0000
app-shells/bash:     3.2_p17-r1
dev-lang/python:     2.4.4-r13, 2.5.4-r3, 2.6.5-r2
dev-util/pkgconfig:  0.22
sys-apps/baselayout: 1.12.11.1
sys-apps/sandbox:    1.6-r2
sys-devel/autoconf:  2.13, 2.65
sys-devel/automake:  1.7.9-r1, 1.10.1, 1.11.1
sys-devel/binutils:  2.20.1-r1
sys-devel/gcc:       4.1.2
sys-devel/gcc-config: 1.4.0-r4
sys-devel/libtool:   2.2.6b
sys-devel/make:      3.81
sys-kernel/linux-headers: 2.6.23-r3
sys-libs/glibc:      2.6.1
virtual/os-headers:  2.6.23-r3
ACCEPT_LICENSE="* -@EULA"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc"
CONFIG_PROTECT_MASK="/etc/env.d /etc/sandbox.d /etc/terminfo /etc/udev/rules.d"
CXXFLAGS="-O2 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="assume-digests distlocks fixpackages news parallel-fetch protect-owned sandbox sfperms strict unmerge-logs unmerge-orphans userfetch"
GENTOO_MIRRORS="ftp://ftp.daum.net/gentoo/"
LANG="ko_KR.UTF-8"
LDFLAGS=""
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="db-dev/mysql mmx sqlite sse sse2"
Unset:  ACCEPT_KEYWORDS, CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, FCFLAGS, FFLAGS, INSTALL_MASK, LC_ALL, MAKEOPTS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY, USE_PYTHON