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'.