Mine

file=`echo zh_HK | sed 's,.*/,,'`.gmo \
          && rm -f $file && /usr/bin/gmsgfmt -o $file zh_HK.po
file=`echo zh_TW | sed 's,.*/,,'`.gmo \
          && rm -f $file && /usr/bin/gmsgfmt -o $file zh_TW.po
make[1]: Leaving directory `/tmp/portage/gnome-icon-theme-2.16.1/work/gnome-icon-theme-2.16.1/po'
make[1]: Entering directory `/tmp/portage/gnome-icon-theme-2.16.1/work/gnome-icon-theme-2.16.1'
./intltool-merge ./po index.theme.in index.theme -d -u -c ./po/.intltool-merge-cache
Found cached translation database
Merging translations into index.theme.
make[1]: Leaving directory `/tmp/portage/gnome-icon-theme-2.16.1/work/gnome-icon-theme-2.16.1'
>>> Source compiled.
>>> Test phase [not enabled]: x11-themes/gnome-icon-theme-2.16.1

>>> Install gnome-icon-theme-2.16.1 into /tmp/portage/gnome-icon-theme-2.16.1/image/ category x11-themes
Making install in 8x8
make[1]: Entering directory `/tmp/portage/gnome-icon-theme-2.16.1/work/gnome-icon-theme-2.16.1/8x8'
Making install in emblems
make[2]: Entering directory `/tmp/portage/gnome-icon-theme-2.16.1/work/gnome-icon-theme-2.16.1/8x8/emblems'
make[3]: Entering directory `/tmp/portage/gnome-icon-theme-2.16.1/work/gnome-icon-theme-2.16.1/8x8/emblems'
make[3]: Nothing to be done for `install-exec-am'.
test -z "/usr/share/icons/gnome/8x8/emblems" || mkdir -p -- "/tmp/portage/gnome-icon-theme-2.16.1/image//usr/share/icons/gnome/8x8/emblems"
 /bin/install -c -m 644 'emblem-new.png' '/tmp/portage/gnome-icon-theme-2.16.1/image//usr/share/icons/gnome/8x8/emblems/emblem-new.png'
 /bin/install -c -m 644 'emblem-symbolic-link.png' '/tmp/portage/gnome-icon-theme-2.16.1/image//usr/share/icons/gnome/8x8/emblems/emblem-symbolic-link.png'
(cd /tmp/portage/gnome-icon-theme-2.16.1/image//usr/share/icons/gnome/8x8 && /usr/libexec/icon-name-mapping -c emblems)
Can't locate object method "new" via package "XML::LibXML::SAX::Parser" at /usr/lib/perl5/vendor_perl/5.8.8/XML/SAX/ParserFactory.pm line 43.
make[3]: *** [install-data-local] Error 2
make[3]: Leaving directory `/tmp/portage/gnome-icon-theme-2.16.1/work/gnome-icon-theme-2.16.1/8x8/emblems'
make[2]: *** [install-am] Error 2
make[2]: Leaving directory `/tmp/portage/gnome-icon-theme-2.16.1/work/gnome-icon-theme-2.16.1/8x8/emblems'
make[1]: *** [install-recursive] Error 1
make[1]: Leaving directory `/tmp/portage/gnome-icon-theme-2.16.1/work/gnome-icon-theme-2.16.1/8x8'
make: *** [install-recursive] Error 1

!!! ERROR: x11-themes/gnome-icon-theme-2.16.1 failed.
Call stack:
  ebuild.sh, line 1546:   Called dyn_install
  ebuild.sh, line 1020:   Called src_install
  ebuild.sh, line 1255:   Called gnome2_src_install
  gnome2.eclass, line 85:   Called die

!!! install failed
!!! If you need support, post the topmost build error, and the call stack if relevant.