al compilar xchat con emerge marca error :(

[neon-]

ese error marca cuando hago

# emerge xchat

make[2]: *** [api.html] Error 1
make[2]: Leaving directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r2/work/docbook-utils-0.6.11/doc/HTML'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r2/work/docbook-utils-0.6.11/doc'
make: *** [all-recursive] Error 1

!!! ERROR: app-text/docbook-sgml-utils-0.6.11-r2 failed.
!!! Function src_compile, Line -150, Exitcode 2
!!! (no error message)