last failure

 * Running autoconf ...
 [ ok ]
 * Running autoheader ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-lang/python-3.3.5-r1/work/Python-3.3.5 ...
 * Disabled modules:  _sqlite3 _tkinter
 * econf: updating Python-3.3.5/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating Python-3.3.5/config.sub with /usr/share/gnuconfig/config.sub
/var/tmp/portage/dev-lang/python-3.3.5-r1/work/Python-3.3.5/configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64 --with-fpectl --enable-shared --disable-ipv6 --with-threads --infodir=${prefix}/share/info --mandir=${prefix}/share/man --with-computed-gotos --with-dbmliborder=gdbm --with-libc= --enable-loadable-sqlite-extensions --with-system-expat --with-system-ffi
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for --enable-universalsdk... no
checking for --with-universal-archs... 32-bit
checking MACHDEP... linux
checking for --without-gcc... no
checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether x86_64-pc-linux-gnu-gcc accepts -g... yes
checking for x86_64-pc-linux-gnu-gcc option to accept ISO C89... none needed
checking for --with-cxx-main=<compiler>... no
checking for -Wl,--no-as-needed... yes
checking how to run the C preprocessor... /lib/cpp
configure: error: in `/var/tmp/portage/dev-lang/python-3.3.5-r1/work/x86_64-pc-linux-gnu':
configure: error: C preprocessor "/lib/cpp" fails sanity check
See `config.log' for more details

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/dev-lang/python-3.3.5-r1/work/x86_64-pc-linux-gnu/config.log
 * ERROR: dev-lang/python-3.3.5-r1::gentoo failed (configure phase):
 *   econf failed
 *
 * Call stack:
 *          ebuild.sh, line   93:  Called src_configure
 *        environment, line 4016:  Called econf '--with-fpectl' '--enable-shared' '--disable-ipv6' '--with-threads' '--infodir=${prefix}/share/info' '--mandir=${prefix}/share/man' '--with-computed-gotos' '--with-dbmliborder=gdbm' '--with-libc=' '--enable-loadable-sqlite-extensions' '--with-system-expat' '--with-system-ffi'
 *   phase-helpers.sh, line  584:  Called die
 * The specific snippet of code:
 *   			die "econf failed"
 *
 * If you need support, post the output of `emerge --info '=dev-lang/python-3.3.5-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-lang/python-3.3.5-r1::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/dev-lang/python-3.3.5-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-lang/python-3.3.5-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-lang/python-3.3.5-r1/work/x86_64-pc-linux-gnu'
 * S: '/var/tmp/portage/dev-lang/python-3.3.5-r1/work/Python-3.3.5'