app-crypt/mit-krb5-1.6.3-r1

configure: running /bin/sh './configure' --prefix=/usr '--prefix=/usr' '--host=i686-pc-linux-gnu' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--datadir=/usr/share' '--sysconfdir=/etc' '--localstatedir=/var/lib' '--with-krb4' '--with-tcl' '--disable-ipv6' '--enable-shared' '--with-system-et' '--with-system-ss' '--enable-dns-for-realm' '--enable-kdc-replay-cache' '--build=i686-pc-linux-gnu' 'CFLAGS=-march=prescott -O2 -pipe -fomit-frame-pointer' 'LDFLAGS=-Wl,-O1' 'build_alias=i686-pc-linux-gnu' 'host_alias=i686-pc-linux-gnu' --cache-file=../../.././config.cache --srcdir=.
configure: loading cache ../../.././config.cache
configure: error: `CFLAGS' has changed since the previous run:
configure:   former value: -march=prescott    -O2 -pipe -fomit-frame-pointer
configure:   current value: -march=prescott -O2 -pipe -fomit-frame-pointer
configure: error: changes in the environment can compromise the build
configure: error: run `make distclean' and/or `rm ../../.././config.cache' and start over
configure: error: /bin/sh './configure' failed for plugins/preauth/pkinit

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/app-crypt/mit-krb5-1.6.3-r1/work/krb5-1.6.3/src/config.log
*
* ERROR: app-crypt/mit-krb5-1.6.3-r1 failed.
* Call stack:
*               ebuild.sh, line   49: Called src_compile
*             environment, line 3073: Called econf 'src_compile' 'src_compile' '--with-krb4' '--with-tcl' '--disable-ipv6' '--enable-shared' '--with-system-et' '--with-system-ss'
*               ebuild.sh, line 513: Called die
* The specific snippet of code:
*               die "econf failed"
* The die message:
*   econf failed
*
* If you need support, post the topmost build error, and the call stack if relevant.
* A complete build log is located at '/var/log/portage/app-crypt:mit-krb5-1.6.3-r1:20080609-213709.log'.
* The ebuild environment file is located at '/var/tmp/portage/app-crypt/mit-krb5-1.6.3-r1/temp/environment'.