revdep-rebuild
--- Invalid atom in /etc/portage/package.mask: www-client/firefox-3.6.16
 * Configuring search environment for revdep-rebuild

 * Checking reverse dependencies
 * Packages containing binaries and libraries broken by a package update
 * will be emerged.

 * Collecting system binaries and libraries
 * Found existing 1_files.rr
 * Collecting complete LD_LIBRARY_PATH
 * Found existing 2_ldpath.rr.
 * Checking dynamic linking consistency
 * Found existing 3_broken.rr.
 * Assigning files to packages
 *  !!! /usr/lib64/vmware-installer/1.1/lib/libconf/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-jpeg.so not owned by any package is broken !!!
 *   /usr/lib64/vmware-installer/1.1/lib/libconf/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-jpeg.so -> (none)
 *  !!! /usr/lib64/vmware-installer/1.1/lib/libconf/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-tiff.so not owned by any package is broken !!!
 *   /usr/lib64/vmware-installer/1.1/lib/libconf/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-tiff.so -> (none)
 *  !!! /usr/lib64/vmware-installer/1.1/sopython/libpy25.so not owned by any package is broken !!!
 *   /usr/lib64/vmware-installer/1.1/sopython/libpy25.so -> (none)
 *  !!! /usr/lib64/vmware/libconf/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-jpeg.so not owned by any package is broken !!!
 *   /usr/lib64/vmware/libconf/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-jpeg.so -> (none)
 *  !!! /usr/lib64/vmware/libconf/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-tiff.so not owned by any package is broken !!!
 *   /usr/lib64/vmware/libconf/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-tiff.so -> (none)
 *  !!! /usr/lib64/vmware/lib/libcurl.so.3/libcurl.so.3 not owned by any package is broken !!!
 *   /usr/lib64/vmware/lib/libcurl.so.3/libcurl.so.3 -> (none)
 * Generated new 4_raw.rr and 4_owners.rr
 * Found some broken files, but none of them were associated with known packages
 * Unable to proceed with automatic repairs.
 * The broken files are listed in 4_owners.rr