emrege tomcat error gcc

* Error: circular dependencies:

(sys-libs/glibc-2.15-r3::gentoo, ebuild scheduled for merge) depends on
(sys-devel/gcc-4.5.4::gentoo, ebuild scheduled for merge) (buildtime)
(sys-libs/glibc-2.15-r3::gentoo, ebuild scheduled for merge) (buildtime)

* Note that circular dependencies can often be avoided by temporarily
* disabling USE flags that trigger optional dependencies.

/etc/make.conf

# These settings were set by the catalyst build script that automatically
# built this stage.
# Please consult /etc/make.conf.example for a more detailed example.
CFLAGS="-march=nocona -O2 -pipe"
CXXFLAGS="${CFLAGS}"
# 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.
#USE="mmx sse sse2 mysql minimal"
FEATURES="parallel-fetch"
#MAKEOPTS="-j3"
GENTOO_MIRRORS="http://ftp.snt.utwente.nl/pub/os/linux/gentoo ftp://ftp.snt.utwente.nl/pub/os/linux/gentoo http://gentoo.tiscali.nl/ ftp://gentoo.tiscali.nl/pub/mirror/gentoo/ http://mirror.muntinternet.net/pub/gentoo/ ftp://mirror.muntinternet.net/pub/gentoo/ http://mirror.cambrium.nl/pub/os/linux/gentoo/ ftp://mirror.cambrium.nl/pub/os/linux/gentoo/ http://mirror.leaseweb.com/gentoo/ ftp://mirror.leaseweb.com/gentoo/ "
SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"

PORTDIR_OVERLAY="/home/portage"