>>> Emerging (1 of 15) dev-libs/libxml2-2.6.28 to /
 * libxml2-2.6.28.tar.gz RMD160 ;-) ...                                                                                                                             [ ok ]
 * libxml2-2.6.28.tar.gz SHA1 ;-) ...                                                                                                                               [ ok ]
 * libxml2-2.6.28.tar.gz SHA256 ;-) ...                                                                                                                             [ ok ]
 * libxml2-2.6.28.tar.gz size ;-) ...                                                                                                                               [ ok ]
 * checking ebuild checksums ;-) ...                                                                                                                                [ ok ]
 * checking auxfile checksums ;-) ...                                                                                                                               [ ok ]
 * checking miscfile checksums ;-) ...                                                                                                                              [ ok ]
 * checking libxml2-2.6.28.tar.gz ;-) ...                                                                                                                           [ ok ]
>>> Unpacking source...
>>> Unpacking libxml2-2.6.28.tar.gz to /var/tmp/portage/dev-libs/libxml2-2.6.28/work
 * Applying libxml2-2.6.27-tar_in_tests.patch ...                                                                                                                   [ ok ]
 * Removing useless C++ checks ...                                                                                                                                  [ ok ]
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/dev-libs/libxml2-2.6.28/work/libxml2-2.6.28 ...
 * Running elibtoolize in: libxml2-2.6.28
 *   Applying portage-1.5.10.patch ...
 *   Applying sed-1.5.6.patch ...
 * econf: updating libxml2-2.6.28/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating libxml2-2.6.28/config.sub with /usr/share/gnuconfig/config.sub
./configure --prefix=/usr --host=i686-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --with-zlib --without-run-debug --with-python --with-readline --with-history --enable-ipv6 --build=i686-pc-linux-gnu
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking for a BSD-compatible install... /bin/install -c
checking whether build environment is sane... yes
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking for i686-pc-linux-gnu-gcc... i686-pc-linux-gnu-gcc
checking for C compiler default output file name... configure: error: C compiler cannot create executables
See `config.log' for more details.

!!! Please attach the following file when filing a report to bugs.gentoo.org:
!!! /var/tmp/portage/dev-libs/libxml2-2.6.28/work/libxml2-2.6.28/config.log

!!! ERROR: dev-libs/libxml2-2.6.28 failed.
Call stack:
  ebuild.sh, line 1614:   Called dyn_compile
  ebuild.sh, line 971:   Called qa_call 'src_compile'
  environment, line 3597:   Called src_compile
  libxml2-2.6.28.ebuild, line 73:   Called econf '--with-zlib' '--without-run-debug' '--with-python' '--with-readline' '--with-history' '--enable-ipv6'
  ebuild.sh, line 577:   Called die

!!! 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/tmp/portage/dev-libs/libxml2-2.6.28/temp/build.log'.