Erro em glibc

* Messages for package sys-libs/glibc-2.6.1:

* You still haven't deleted //etc/locales.build.
* Do so now after making sure //etc/locale.gen is kosher.
*
* ERROR: sys-libs/glibc-2.6.1 failed.
* Call stack:
* ebuild.sh, line 1670: Called dyn_setup
* ebuild.sh, line 719: Called qa_call 'pkg_setup'
* ebuild.sh, line 44: Called pkg_setup
* glibc-2.6.1.ebuild, line 166: Called die
*
* lazy upgrader detected
* If you need support, post the topmost build error, and the call stack if relevant.
* A complete build log is located at '/var/tmp/portage/sys-libs/glibc-2.6.1/temp/build.log'.

Por mais óbvio que a solução possa parecer, deletar aquivos de sistema pode representar um risco, mas não é o caso deste erro:

# rm /etc/locales.build

Fonte: http://forums.gentoo.org/viewtopic-t-599666-start-0-postdays-0-postorder-asc-highlight-.html?sid=f9ebee61c9652096490c19424eb4c79c