Не собирается gcc41

../../gcc/crtstuff.c:1: ошибка: bad value (core2) for -march= switch
../../gcc/crtstuff.c:1: ошибка: bad value (core2) for -mtune= switch
make[2]: *** [crtbegin.o] Ошибка 1
make[2]: Leaving directory `/tmp/yaourt-tmp-e-al/aur-gcc41/gcc41/src/gcc-4.1.2/build/gcc'
make[1]: *** [all-gcc] Ошибка 2
make[1]: Leaving directory `/tmp/yaourt-tmp-e-al/aur-gcc41/gcc41/src/gcc-4.1.2/build'
make: *** [all] Ошибка 2
==> ОШИБКА: Сборка завершилась неудачно.
    Преждевременный выход...
Error: Makepkg was unable to build gcc41 package.

#
# /etc/makepkg.conf
#
#########################################################################
# SOURCE ACQUISITION
#########################################################################
#
#-- The download utilities that makepkg should use to acquire sources
#  Format: 'protocol::agent'
DLAGENTS=('ftp::/usr/bin/wget -c --passive-ftp -t 3 --waitretry=3 -O %o %u'
          'http::/usr/bin/wget -c -t 3 --waitretry=3 -O %o %u'
          'https::/usr/bin/wget -c -t 3 --waitretry=3 --no-check-certificate -O %o %u'
          'rsync::/usr/bin/rsync -z %u %o'
          'scp::/usr/bin/scp -C %u %o')
# Other common tools:
# /usr/bin/snarf
# /usr/bin/lftpget -c
# /usr/bin/curl
#########################################################################
# ARCHITECTURE, COMPILE FLAGS
#########################################################################
#
CARCH="x86_64"
CHOST="x86_64-unknown-linux-gnu"
#-- Exclusive: will only run on x86_64
# -march (or -mcpu) builds exclusively for an architecture
# -mtune optimizes for an architecture, but builds for whole processor family
    CFLAGS="-march=core2 -O2 -pipe"
CXXFLAGS="{$CFLAGS}"
LDFLAGS="-Wl,--hash-style=gnu -Wl,--as-needed"
#-- Make Flags: change this for DistCC/SMP systems
#MAKEFLAGS="-j2"
#########################################################################
# BUILD ENVIRONMENT
#########################################################################
#
# Defaults: BUILDENV=(fakeroot !distcc color !ccache)
#  A negated environment option will do the opposite of the comments below.
#
#-- fakeroot: Allow building packages as a non-root user
#-- distcc:   Use the Distributed C/C++/ObjC compiler
#-- color:    Colorize output messages
#-- ccache:   Use ccache to cache compilation
#
BUILDENV=(fakeroot !distcc color !ccache)
#
#-- If using DistCC, your MAKEFLAGS will also need modification. In addition,
#-- specify a space-delimited list of hosts running in the DistCC cluster.
#DISTCC_HOSTS=""
#########################################################################
# GLOBAL PACKAGE OPTIONS
#   These are default values for the options=() settings
#########################################################################
#
# Default: OPTIONS=(strip docs libtool emptydirs zipman purge)
#  A negated option will do the opposite of the comments below.
#
#-- strip:     Strip symbols from binaries/libraries in STRIP_DIRS
#-- docs:      Save doc directories specified by DOC_DIRS
#-- libtool:   Leave libtool (.la) files in packages
#-- emptydirs: Leave empty directories in packages
#-- zipman:    Compress manual (man and info) pages in MAN_DIRS with gzip
#-- purge:     Remove files specified by PURGE_TARGETS
#
OPTIONS=(strip docs libtool emptydirs zipman purge)
#-- File integrity checks to use. Valid: md5, sha1, sha256, sha384, sha512
INTEGRITY_CHECK=(md5)
#-- Manual (man and info) directories to compress (if zipman is specified)
MAN_DIRS=({usr{,/local}{,/share},opt/*}/{man,info})
#-- Doc directories to remove (if !docs is specified)
DOC_DIRS=(usr/{,local/}{,share/}{doc,gtk-doc} opt/*/{doc,gtk-doc})
#-- Directories to be searched for the strip option (if strip is specified)
STRIP_DIRS=(bin lib sbin usr/{bin,lib,sbin,local/{bin,lib,sbin}} opt/*/{bin,lib,sbin})
#-- Files to be removed from all packages (if purge is specified)
PURGE_TARGETS=(usr/{,share}/info/dir .packlist *.pod)
#########################################################################
# PACKAGE OUTPUT
#########################################################################
#
# Default: put built package and cached source in build directory
#
#-- Destination: specify a fixed directory where all packages will be placed
#PKGDEST=/home/packages
#-- Source cache: specify a fixed directory where source files will be cached
#SRCDEST=/home/sources
#-- Packager: name/email of the person or organization building packages
#PACKAGER="John Doe <[email protected]>"
#########################################################################
# EXTENSION DEFAULTS
#########################################################################
#
# WARNING: Do NOT modify these variables unless you know what you are
#          doing.
#
PKGEXT='.pkg.tar.gz'
SRCEXT='.src.tar.gz'