>>> Emerging (2 of 11) dev-perl/XML-LibXML-Common-0.13 to /
 * XML-LibXML-Common-0.13.tar.gz MD5 ;-) ...                              [ ok ]
 * XML-LibXML-Common-0.13.tar.gz RMD160 ;-) ...                           [ ok ]
 * XML-LibXML-Common-0.13.tar.gz SHA1 ;-) ...                             [ ok ]
 * XML-LibXML-Common-0.13.tar.gz SHA256 ;-) ...                           [ ok ]
 * XML-LibXML-Common-0.13.tar.gz size ;-) ...                             [ ok ]
 * checking ebuild checksums ;-) ...                                      [ ok ]
 * checking auxfile checksums ;-) ...                                     [ ok ]
 * checking miscfile checksums ;-) ...                                    [ ok ]
 * checking XML-LibXML-Common-0.13.tar.gz ;-) ...                         [ ok ]
>>> Unpacking source...
>>> Unpacking XML-LibXML-Common-0.13.tar.gz to /var/tmp/portage/dev-perl/XML-Lib
XML-Common-0.13/work
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/dev-perl/XML-LibXML-Common-0.13/work/XM
L-LibXML-Common-0.13 ...
/var/tmp/portage/dev-perl/XML-LibXML-Common-0.13/work/XML-LibXML-Common-0.13
 * Using ExtUtils::MakeMaker
enable native perl UTF8
running xml2-config... ok
looking for -lxml2... no
looking for -llibxml2... libxml2 not found
Try setting LIBS and INC values on the command line
Or get libxml2 from 
  http://www.libxml.org/
If you install via RPMs, make sure you also install the -devel
RPMs, as this is where the headers (.h files) are.
no

!!! ERROR: dev-perl/XML-LibXML-Common-0.13 failed.
Call stack:
  ebuild.sh, line 1614:   Called dyn_compile
  ebuild.sh, line 971:   Called qa_call 'src_compile'
  environment, line 3314:   Called src_compile
  ebuild.sh, line 1304:   Called perl-module_src_compile
  perl-module.eclass, line 136:   Called perl-module_src_prep
  perl-module.eclass, line 125:   Called die

!!! Unable to build! (are you using USE="build"?)
!!! If you need support, post the topmost build error, and the call stack if rel
evant.
!!! A complete build log is located at '/var/tmp/portage/dev-perl/XML-LibXML-Com
mon-0.13/temp/build.log'.