Without x11-libs/libXtst installed, app-office/openoffice-3.0.0 build fails with: /usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../i686-pc-linux-gnu/bin/ld: cannot find -lXtst collect2: ld returned 1 exit status dmake: Error code 1, while making '../unxlngi6.pro/lib/libvclplug_genli.so' ERROR: Error 65280 occurred while making /var/tmp/portage/app-office/openoffice-3.0.0/work/ooo/build/ooo300-m9/vcl/util
I've added the dependency, thanks for noting