Cannot install emdebian mipsel wheezy cross-toolchain

Hi,

I'm running Debian Wheezy and tried to install the wheezy mipsel
cross-toolchain via sources.list entry

  deb http://www.emdebian.org/debian/ wheezy main

However, there's a dependency problem:  

binutils-mipsel-linux-gnu (amd64) depends on libc6>=2.14

However, Debian Wheezy still uses libc 2.13.

Any ideas how to make this work (other than upgrading to testing?)

cheers,

David
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