checking for readlink... yes checking for readlink... /bin/readlink checking for realpath... no configure: error: Either GNU readlink or realpath is required !!! Please attach the following file when filing a report to bugs.gentoo.org: !!! /var/tmp/portage/eselect-1.0.2/work/eselect-1.0.2/config.log !!! ERROR: app-admin/eselect-1.0.2 failed. Call stack: ebuild.sh, line 1545: Called dyn_compile emerge realpath, then it succeeds even though having readlink already installed should satisfy eselect's configure script.
This bug has been fixed already for some time.